Home / 45,389.68-62,620.56-28,154.06

Finding the Fourth Proportional to 45,389.68, 62,620.56 and 28,154.06

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Solution

The fourth proportional to 45,389.68, 62,620.56 and 28,154.06 is: 38,841.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,389.68 : 62,620.56 = 28,154.06 : x
  2. Step 2: Convert to fraction form
    45,389.68/62,620.56 = 28,154.06/x
  3. Step 3: Cross multiply
    45,389.68x = 62,620.56 × 28,154.06
  4. Step 4: Simplify right side
    45,389.68x = 1,763,023,003.47
  5. Step 5: Solve for x
    x = 1,763,023,003.47/45,389.68
  6. Step 6: Final answer
    x = 38,841.94

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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.