Home / 31,565.61-47,359.80-19,543.77

Finding the Fourth Proportional to 31,565.61, 47,359.80 and 19,543.77

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Solution

The fourth proportional to 31,565.61, 47,359.80 and 19,543.77 is: 29,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,565.61 : 47,359.80 = 19,543.77 : x
  2. Step 2: Convert to fraction form
    31,565.61/47,359.80 = 19,543.77/x
  3. Step 3: Cross multiply
    31,565.61x = 47,359.80 × 19,543.77
  4. Step 4: Simplify right side
    31,565.61x = 925,589,038.45
  5. Step 5: Solve for x
    x = 925,589,038.45/31,565.61
  6. Step 6: Final answer
    x = 29,322.70

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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.