Home / 57,363.90-79,140.06-42,292.38

Finding the Fourth Proportional to 57,363.90, 79,140.06 and 42,292.38

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Solution

The fourth proportional to 57,363.90, 79,140.06 and 42,292.38 is: 58,347.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,363.90 : 79,140.06 = 42,292.38 : x
  2. Step 2: Convert to fraction form
    57,363.90/79,140.06 = 42,292.38/x
  3. Step 3: Cross multiply
    57,363.90x = 79,140.06 × 42,292.38
  4. Step 4: Simplify right side
    57,363.90x = 3,347,021,490.74
  5. Step 5: Solve for x
    x = 3,347,021,490.74/57,363.90
  6. Step 6: Final answer
    x = 58,347.17

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1.5x scale

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.