Home / 39,005,235.40-58,507,853.10-19,873,359.40

Finding the Fourth Proportional to 39,005,235.40, 58,507,853.10 and 19,873,359.40

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Solution

The fourth proportional to 39,005,235.40, 58,507,853.10 and 19,873,359.40 is: 29,810,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,005,235.40 : 58,507,853.10 = 19,873,359.40 : x
  2. Step 2: Convert to fraction form
    39,005,235.40/58,507,853.10 = 19,873,359.40/x
  3. Step 3: Cross multiply
    39,005,235.40x = 58,507,853.10 × 19,873,359.40
  4. Step 4: Simplify right side
    39,005,235.40x = 1,162,747,592,378,704
  5. Step 5: Solve for x
    x = 1,162,747,592,378,704/39,005,235.40
  6. Step 6: Final answer
    x = 29,810,039.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.