Home / 29,401.04-40,454.88-28,701.20

Finding the Fourth Proportional to 29,401.04, 40,454.88 and 28,701.20

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Solution

The fourth proportional to 29,401.04, 40,454.88 and 28,701.20 is: 39,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,401.04 : 40,454.88 = 28,701.20 : x
  2. Step 2: Convert to fraction form
    29,401.04/40,454.88 = 28,701.20/x
  3. Step 3: Cross multiply
    29,401.04x = 40,454.88 × 28,701.20
  4. Step 4: Simplify right side
    29,401.04x = 1,161,103,601.86
  5. Step 5: Solve for x
    x = 1,161,103,601.86/29,401.04
  6. Step 6: Final answer
    x = 39,491.92

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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.