Home / 61,278.18-91,925.91-21,823.62

Finding the Fourth Proportional to 61,278.18, 91,925.91 and 21,823.62

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Solution

The fourth proportional to 61,278.18, 91,925.91 and 21,823.62 is: 32,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,278.18 : 91,925.91 = 21,823.62 : x
  2. Step 2: Convert to fraction form
    61,278.18/91,925.91 = 21,823.62/x
  3. Step 3: Cross multiply
    61,278.18x = 91,925.91 × 21,823.62
  4. Step 4: Simplify right side
    61,278.18x = 2,006,156,127.99
  5. Step 5: Solve for x
    x = 2,006,156,127.99/61,278.18
  6. Step 6: Final answer
    x = 32,738.51

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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.