Home / 40,423.77-55,780.38-23,428.35

Finding the Fourth Proportional to 40,423.77, 55,780.38 and 23,428.35

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Solution

The fourth proportional to 40,423.77, 55,780.38 and 23,428.35 is: 32,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.77 : 55,780.38 = 23,428.35 : x
  2. Step 2: Convert to fraction form
    40,423.77/55,780.38 = 23,428.35/x
  3. Step 3: Cross multiply
    40,423.77x = 55,780.38 × 23,428.35
  4. Step 4: Simplify right side
    40,423.77x = 1,306,842,265.77
  5. Step 5: Solve for x
    x = 1,306,842,265.77/40,423.77
  6. Step 6: Final answer
    x = 32,328.56

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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.