Home / 40,423.74-60,663.35-14,128.50

Finding the Fourth Proportional to 40,423.74, 60,663.35 and 14,128.50

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Solution

The fourth proportional to 40,423.74, 60,663.35 and 14,128.50 is: 21,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.74 : 60,663.35 = 14,128.50 : x
  2. Step 2: Convert to fraction form
    40,423.74/60,663.35 = 14,128.50/x
  3. Step 3: Cross multiply
    40,423.74x = 60,663.35 × 14,128.50
  4. Step 4: Simplify right side
    40,423.74x = 857,082,140.48
  5. Step 5: Solve for x
    x = 857,082,140.48/40,423.74
  6. Step 6: Final answer
    x = 21,202.45

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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.