Home / 57,752.13-86,631.27-18,312.35

Finding the Fourth Proportional to 57,752.13, 86,631.27 and 18,312.35

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Solution

The fourth proportional to 57,752.13, 86,631.27 and 18,312.35 is: 27,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,752.13 : 86,631.27 = 18,312.35 : x
  2. Step 2: Convert to fraction form
    57,752.13/86,631.27 = 18,312.35/x
  3. Step 3: Cross multiply
    57,752.13x = 86,631.27 × 18,312.35
  4. Step 4: Simplify right side
    57,752.13x = 1,586,422,045.62
  5. Step 5: Solve for x
    x = 1,586,422,045.62/57,752.13
  6. Step 6: Final answer
    x = 27,469.50

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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.