Home / 53,216.40-73,439.01-29,345.70

Finding the Fourth Proportional to 53,216.40, 73,439.01 and 29,345.70

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Solution

The fourth proportional to 53,216.40, 73,439.01 and 29,345.70 is: 40,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,216.40 : 73,439.01 = 29,345.70 : x
  2. Step 2: Convert to fraction form
    53,216.40/73,439.01 = 29,345.70/x
  3. Step 3: Cross multiply
    53,216.40x = 73,439.01 × 29,345.70
  4. Step 4: Simplify right side
    53,216.40x = 2,155,119,155.76
  5. Step 5: Solve for x
    x = 2,155,119,155.76/53,216.40
  6. Step 6: Final answer
    x = 40,497.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.