Home / 40,815.16-56,328.12-22,909.04

Finding the Fourth Proportional to 40,815.16, 56,328.12 and 22,909.04

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Solution

The fourth proportional to 40,815.16, 56,328.12 and 22,909.04 is: 31,616.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,815.16 : 56,328.12 = 22,909.04 : x
  2. Step 2: Convert to fraction form
    40,815.16/56,328.12 = 22,909.04/x
  3. Step 3: Cross multiply
    40,815.16x = 56,328.12 × 22,909.04
  4. Step 4: Simplify right side
    40,815.16x = 1,290,423,154.20
  5. Step 5: Solve for x
    x = 1,290,423,154.20/40,815.16
  6. Step 6: Final answer
    x = 31,616.27

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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.