Home / 34,700.80-47,887.05-18,785.25

Finding the Fourth Proportional to 34,700.80, 47,887.05 and 18,785.25

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Solution

The fourth proportional to 34,700.80, 47,887.05 and 18,785.25 is: 25,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,700.80 : 47,887.05 = 18,785.25 : x
  2. Step 2: Convert to fraction form
    34,700.80/47,887.05 = 18,785.25/x
  3. Step 3: Cross multiply
    34,700.80x = 47,887.05 × 18,785.25
  4. Step 4: Simplify right side
    34,700.80x = 899,569,966.58
  5. Step 5: Solve for x
    x = 899,569,966.58/34,700.80
  6. Step 6: Final answer
    x = 25,923.61

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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.