Home / 38,139.12-52,643.52-24,711.12

Finding the Fourth Proportional to 38,139.12, 52,643.52 and 24,711.12

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Solution

The fourth proportional to 38,139.12, 52,643.52 and 24,711.12 is: 34,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,139.12 : 52,643.52 = 24,711.12 : x
  2. Step 2: Convert to fraction form
    38,139.12/52,643.52 = 24,711.12/x
  3. Step 3: Cross multiply
    38,139.12x = 52,643.52 × 24,711.12
  4. Step 4: Simplify right side
    38,139.12x = 1,300,880,339.94
  5. Step 5: Solve for x
    x = 1,300,880,339.94/38,139.12
  6. Step 6: Final answer
    x = 34,108.82

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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.