Home / 42,891.87-64,342.56-14,808.74

Finding the Fourth Proportional to 42,891.87, 64,342.56 and 14,808.74

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Solution

The fourth proportional to 42,891.87, 64,342.56 and 14,808.74 is: 22,214.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,891.87 : 64,342.56 = 14,808.74 : x
  2. Step 2: Convert to fraction form
    42,891.87/64,342.56 = 14,808.74/x
  3. Step 3: Cross multiply
    42,891.87x = 64,342.56 × 14,808.74
  4. Step 4: Simplify right side
    42,891.87x = 952,832,241.97
  5. Step 5: Solve for x
    x = 952,832,241.97/42,891.87
  6. Step 6: Final answer
    x = 22,214.75

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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.