Home / 30,061.61-41,498.85-21,454.55

Finding the Fourth Proportional to 30,061.61, 41,498.85 and 21,454.55

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Solution

The fourth proportional to 30,061.61, 41,498.85 and 21,454.55 is: 29,617.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,061.61 : 41,498.85 = 21,454.55 : x
  2. Step 2: Convert to fraction form
    30,061.61/41,498.85 = 21,454.55/x
  3. Step 3: Cross multiply
    30,061.61x = 41,498.85 × 21,454.55
  4. Step 4: Simplify right side
    30,061.61x = 890,338,944.77
  5. Step 5: Solve for x
    x = 890,338,944.77/30,061.61
  6. Step 6: Final answer
    x = 29,617.15

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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.