Home / 42,483.66-63,725.61-12,901.74

Finding the Fourth Proportional to 42,483.66, 63,725.61 and 12,901.74

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Solution

The fourth proportional to 42,483.66, 63,725.61 and 12,901.74 is: 19,352.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,483.66 : 63,725.61 = 12,901.74 : x
  2. Step 2: Convert to fraction form
    42,483.66/63,725.61 = 12,901.74/x
  3. Step 3: Cross multiply
    42,483.66x = 63,725.61 × 12,901.74
  4. Step 4: Simplify right side
    42,483.66x = 822,171,251.56
  5. Step 5: Solve for x
    x = 822,171,251.56/42,483.66
  6. Step 6: Final answer
    x = 19,352.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.