Home / 40,302.61-55,615.89-22,398.72

Finding the Fourth Proportional to 40,302.61, 55,615.89 and 22,398.72

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Solution

The fourth proportional to 40,302.61, 55,615.89 and 22,398.72 is: 30,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,302.61 : 55,615.89 = 22,398.72 : x
  2. Step 2: Convert to fraction form
    40,302.61/55,615.89 = 22,398.72/x
  3. Step 3: Cross multiply
    40,302.61x = 55,615.89 × 22,398.72
  4. Step 4: Simplify right side
    40,302.61x = 1,245,724,747.66
  5. Step 5: Solve for x
    x = 1,245,724,747.66/40,302.61
  6. Step 6: Final answer
    x = 30,909.28

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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.