Home / 42,229.58-63,366.24-30,638.48

Finding the Fourth Proportional to 42,229.58, 63,366.24 and 30,638.48

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Solution

The fourth proportional to 42,229.58, 63,366.24 and 30,638.48 is: 45,973.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,229.58 : 63,366.24 = 30,638.48 : x
  2. Step 2: Convert to fraction form
    42,229.58/63,366.24 = 30,638.48/x
  3. Step 3: Cross multiply
    42,229.58x = 63,366.24 × 30,638.48
  4. Step 4: Simplify right side
    42,229.58x = 1,941,445,276.92
  5. Step 5: Solve for x
    x = 1,941,445,276.92/42,229.58
  6. Step 6: Final answer
    x = 45,973.59

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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.