Home / 54,281.70-74,887.20-33,851.76

Finding the Fourth Proportional to 54,281.70, 74,887.20 and 33,851.76

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Solution

The fourth proportional to 54,281.70, 74,887.20 and 33,851.76 is: 46,701.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281.70 : 74,887.20 = 33,851.76 : x
  2. Step 2: Convert to fraction form
    54,281.70/74,887.20 = 33,851.76/x
  3. Step 3: Cross multiply
    54,281.70x = 74,887.20 × 33,851.76
  4. Step 4: Simplify right side
    54,281.70x = 2,535,063,521.47
  5. Step 5: Solve for x
    x = 2,535,063,521.47/54,281.70
  6. Step 6: Final answer
    x = 46,701.99

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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.