Home / 58,152.40-87,228.96-20,713.92

Finding the Fourth Proportional to 58,152.40, 87,228.96 and 20,713.92

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Solution

The fourth proportional to 58,152.40, 87,228.96 and 20,713.92 is: 31,071.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,152.40 : 87,228.96 = 20,713.92 : x
  2. Step 2: Convert to fraction form
    58,152.40/87,228.96 = 20,713.92/x
  3. Step 3: Cross multiply
    58,152.40x = 87,228.96 × 20,713.92
  4. Step 4: Simplify right side
    58,152.40x = 1,806,853,699.12
  5. Step 5: Solve for x
    x = 1,806,853,699.12/58,152.40
  6. Step 6: Final answer
    x = 31,071.01

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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.