Home / 52,931.43-79,341.75-38,870.55

Finding the Fourth Proportional to 52,931.43, 79,341.75 and 38,870.55

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Solution

The fourth proportional to 52,931.43, 79,341.75 and 38,870.55 is: 58,265.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,931.43 : 79,341.75 = 38,870.55 : x
  2. Step 2: Convert to fraction form
    52,931.43/79,341.75 = 38,870.55/x
  3. Step 3: Cross multiply
    52,931.43x = 79,341.75 × 38,870.55
  4. Step 4: Simplify right side
    52,931.43x = 3,084,057,460.46
  5. Step 5: Solve for x
    x = 3,084,057,460.46/52,931.43
  6. Step 6: Final answer
    x = 58,265.15

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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.