Home / 56,522.62-78,002.19-31,031.35

Finding the Fourth Proportional to 56,522.62, 78,002.19 and 31,031.35

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Solution

The fourth proportional to 56,522.62, 78,002.19 and 31,031.35 is: 42,823.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,522.62 : 78,002.19 = 31,031.35 : x
  2. Step 2: Convert to fraction form
    56,522.62/78,002.19 = 31,031.35/x
  3. Step 3: Cross multiply
    56,522.62x = 78,002.19 × 31,031.35
  4. Step 4: Simplify right side
    56,522.62x = 2,420,513,063.65
  5. Step 5: Solve for x
    x = 2,420,513,063.65/56,522.62
  6. Step 6: Final answer
    x = 42,823.79

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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.