Home / 31,663.56-47,495.40-10,887.12

Finding the Fourth Proportional to 31,663.56, 47,495.40 and 10,887.12

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Solution

The fourth proportional to 31,663.56, 47,495.40 and 10,887.12 is: 16,330.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,663.56 : 47,495.40 = 10,887.12 : x
  2. Step 2: Convert to fraction form
    31,663.56/47,495.40 = 10,887.12/x
  3. Step 3: Cross multiply
    31,663.56x = 47,495.40 × 10,887.12
  4. Step 4: Simplify right side
    31,663.56x = 517,088,119.25
  5. Step 5: Solve for x
    x = 517,088,119.25/31,663.56
  6. Step 6: Final answer
    x = 16,330.70

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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.