Home / 42,724.32-64,087.68-11,559.52

Finding the Fourth Proportional to 42,724.32, 64,087.68 and 11,559.52

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Solution

The fourth proportional to 42,724.32, 64,087.68 and 11,559.52 is: 17,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,724.32 : 64,087.68 = 11,559.52 : x
  2. Step 2: Convert to fraction form
    42,724.32/64,087.68 = 11,559.52/x
  3. Step 3: Cross multiply
    42,724.32x = 64,087.68 × 11,559.52
  4. Step 4: Simplify right side
    42,724.32x = 740,822,818.71
  5. Step 5: Solve for x
    x = 740,822,818.71/42,724.32
  6. Step 6: Final answer
    x = 17,339.60

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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.