Home / 30,480.18-42,058.77-17,737.48

Finding the Fourth Proportional to 30,480.18, 42,058.77 and 17,737.48

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Solution

The fourth proportional to 30,480.18, 42,058.77 and 17,737.48 is: 24,475.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,480.18 : 42,058.77 = 17,737.48 : x
  2. Step 2: Convert to fraction form
    30,480.18/42,058.77 = 17,737.48/x
  3. Step 3: Cross multiply
    30,480.18x = 42,058.77 × 17,737.48
  4. Step 4: Simplify right side
    30,480.18x = 746,016,591.70
  5. Step 5: Solve for x
    x = 746,016,591.70/30,480.18
  6. Step 6: Final answer
    x = 24,475.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.