Home / 45,042.40-62,025.78-38,621.80

Finding the Fourth Proportional to 45,042.40, 62,025.78 and 38,621.80

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Solution

The fourth proportional to 45,042.40, 62,025.78 and 38,621.80 is: 53,184.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,042.40 : 62,025.78 = 38,621.80 : x
  2. Step 2: Convert to fraction form
    45,042.40/62,025.78 = 38,621.80/x
  3. Step 3: Cross multiply
    45,042.40x = 62,025.78 × 38,621.80
  4. Step 4: Simplify right side
    45,042.40x = 2,395,547,270.00
  5. Step 5: Solve for x
    x = 2,395,547,270.00/45,042.40
  6. Step 6: Final answer
    x = 53,184.27

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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.