Home / 42,339.58-63,509.38-15,694.72

Finding the Fourth Proportional to 42,339.58, 63,509.38 and 15,694.72

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Solution

The fourth proportional to 42,339.58, 63,509.38 and 15,694.72 is: 23,542.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,339.58 : 63,509.38 = 15,694.72 : x
  2. Step 2: Convert to fraction form
    42,339.58/63,509.38 = 15,694.72/x
  3. Step 3: Cross multiply
    42,339.58x = 63,509.38 × 15,694.72
  4. Step 4: Simplify right side
    42,339.58x = 996,761,738.46
  5. Step 5: Solve for x
    x = 996,761,738.46/42,339.58
  6. Step 6: Final answer
    x = 23,542.08

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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.