Home / 31,547.61-47,335.31-14,919.57

Finding the Fourth Proportional to 31,547.61, 47,335.31 and 14,919.57

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Solution

The fourth proportional to 31,547.61, 47,335.31 and 14,919.57 is: 22,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547.61 : 47,335.31 = 14,919.57 : x
  2. Step 2: Convert to fraction form
    31,547.61/47,335.31 = 14,919.57/x
  3. Step 3: Cross multiply
    31,547.61x = 47,335.31 × 14,919.57
  4. Step 4: Simplify right side
    31,547.61x = 706,222,396.42
  5. Step 5: Solve for x
    x = 706,222,396.42/31,547.61
  6. Step 6: Final answer
    x = 22,385.92

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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.