Home / 42,213.04-58,520.39-39,965.92

Finding the Fourth Proportional to 42,213.04, 58,520.39 and 39,965.92

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Solution

The fourth proportional to 42,213.04, 58,520.39 and 39,965.92 is: 55,405.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,213.04 : 58,520.39 = 39,965.92 : x
  2. Step 2: Convert to fraction form
    42,213.04/58,520.39 = 39,965.92/x
  3. Step 3: Cross multiply
    42,213.04x = 58,520.39 × 39,965.92
  4. Step 4: Simplify right side
    42,213.04x = 2,338,821,225.11
  5. Step 5: Solve for x
    x = 2,338,821,225.11/42,213.04
  6. Step 6: Final answer
    x = 55,405.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.