Home / 51,292.04-70,781.04-31,149.77

Finding the Fourth Proportional to 51,292.04, 70,781.04 and 31,149.77

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Solution

The fourth proportional to 51,292.04, 70,781.04 and 31,149.77 is: 42,985.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,292.04 : 70,781.04 = 31,149.77 : x
  2. Step 2: Convert to fraction form
    51,292.04/70,781.04 = 31,149.77/x
  3. Step 3: Cross multiply
    51,292.04x = 70,781.04 × 31,149.77
  4. Step 4: Simplify right side
    51,292.04x = 2,204,812,762.46
  5. Step 5: Solve for x
    x = 2,204,812,762.46/51,292.04
  6. Step 6: Final answer
    x = 42,985.48

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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.