Home / 42,120.52-58,153.62-26,211.40

Finding the Fourth Proportional to 42,120.52, 58,153.62 and 26,211.40

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Solution

The fourth proportional to 42,120.52, 58,153.62 and 26,211.40 is: 36,188.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,120.52 : 58,153.62 = 26,211.40 : x
  2. Step 2: Convert to fraction form
    42,120.52/58,153.62 = 26,211.40/x
  3. Step 3: Cross multiply
    42,120.52x = 58,153.62 × 26,211.40
  4. Step 4: Simplify right side
    42,120.52x = 1,524,287,795.27
  5. Step 5: Solve for x
    x = 1,524,287,795.27/42,120.52
  6. Step 6: Final answer
    x = 36,188.72

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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.