Home / 34,700.91-47,887.32-18,785.43

Finding the Fourth Proportional to 34,700.91, 47,887.32 and 18,785.43

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Solution

The fourth proportional to 34,700.91, 47,887.32 and 18,785.43 is: 25,923.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,700.91 : 47,887.32 = 18,785.43 : x
  2. Step 2: Convert to fraction form
    34,700.91/47,887.32 = 18,785.43/x
  3. Step 3: Cross multiply
    34,700.91x = 47,887.32 × 18,785.43
  4. Step 4: Simplify right side
    34,700.91x = 899,583,897.75
  5. Step 5: Solve for x
    x = 899,583,897.75/34,700.91
  6. Step 6: Final answer
    x = 25,923.93

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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.