Home / 42,138.88-58,151.84-23,276.16

Finding the Fourth Proportional to 42,138.88, 58,151.84 and 23,276.16

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Solution

The fourth proportional to 42,138.88, 58,151.84 and 23,276.16 is: 32,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,138.88 : 58,151.84 = 23,276.16 : x
  2. Step 2: Convert to fraction form
    42,138.88/58,151.84 = 23,276.16/x
  3. Step 3: Cross multiply
    42,138.88x = 58,151.84 × 23,276.16
  4. Step 4: Simplify right side
    42,138.88x = 1,353,551,532.13
  5. Step 5: Solve for x
    x = 1,353,551,532.13/42,138.88
  6. Step 6: Final answer
    x = 32,121.20

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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.