Home / 31,547.40-47,321.10-26,363.40

Finding the Fourth Proportional to 31,547.40, 47,321.10 and 26,363.40

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Solution

The fourth proportional to 31,547.40, 47,321.10 and 26,363.40 is: 39,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547.40 : 47,321.10 = 26,363.40 : x
  2. Step 2: Convert to fraction form
    31,547.40/47,321.10 = 26,363.40/x
  3. Step 3: Cross multiply
    31,547.40x = 47,321.10 × 26,363.40
  4. Step 4: Simplify right side
    31,547.40x = 1,247,545,087.74
  5. Step 5: Solve for x
    x = 1,247,545,087.74/31,547.40
  6. Step 6: Final answer
    x = 39,545.10

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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.