Home / 40,807.08-56,319.45-22,661.88

Finding the Fourth Proportional to 40,807.08, 56,319.45 and 22,661.88

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Solution

The fourth proportional to 40,807.08, 56,319.45 and 22,661.88 is: 31,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,807.08 : 56,319.45 = 22,661.88 : x
  2. Step 2: Convert to fraction form
    40,807.08/56,319.45 = 22,661.88/x
  3. Step 3: Cross multiply
    40,807.08x = 56,319.45 × 22,661.88
  4. Step 4: Simplify right side
    40,807.08x = 1,276,304,617.57
  5. Step 5: Solve for x
    x = 1,276,304,617.57/40,807.08
  6. Step 6: Final answer
    x = 31,276.55

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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.