Home / 31,785.29-47,678.17-14,686.59

Finding the Fourth Proportional to 31,785.29, 47,678.17 and 14,686.59

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Solution

The fourth proportional to 31,785.29, 47,678.17 and 14,686.59 is: 22,030.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,785.29 : 47,678.17 = 14,686.59 : x
  2. Step 2: Convert to fraction form
    31,785.29/47,678.17 = 14,686.59/x
  3. Step 3: Cross multiply
    31,785.29x = 47,678.17 × 14,686.59
  4. Step 4: Simplify right side
    31,785.29x = 700,229,698.02
  5. Step 5: Solve for x
    x = 700,229,698.02/31,785.29
  6. Step 6: Final answer
    x = 22,030.00

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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.