Home / 42,138.48-58,149.99-23,275.20

Finding the Fourth Proportional to 42,138.48, 58,149.99 and 23,275.20

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Solution

The fourth proportional to 42,138.48, 58,149.99 and 23,275.20 is: 32,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,138.48 : 58,149.99 = 23,275.20 : x
  2. Step 2: Convert to fraction form
    42,138.48/58,149.99 = 23,275.20/x
  3. Step 3: Cross multiply
    42,138.48x = 58,149.99 × 23,275.20
  4. Step 4: Simplify right side
    42,138.48x = 1,353,452,647.25
  5. Step 5: Solve for x
    x = 1,353,452,647.25/42,138.48
  6. Step 6: Final answer
    x = 32,119.16

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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.