Home / 45,237.20-62,386.46-28,243.00

Finding the Fourth Proportional to 45,237.20, 62,386.46 and 28,243.00

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Solution

The fourth proportional to 45,237.20, 62,386.46 and 28,243.00 is: 38,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,237.20 : 62,386.46 = 28,243.00 : x
  2. Step 2: Convert to fraction form
    45,237.20/62,386.46 = 28,243.00/x
  3. Step 3: Cross multiply
    45,237.20x = 62,386.46 × 28,243.00
  4. Step 4: Simplify right side
    45,237.20x = 1,761,980,560.97
  5. Step 5: Solve for x
    x = 1,761,980,560.97/45,237.20
  6. Step 6: Final answer
    x = 38,949.81

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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.