Home / 63,260.39-87,264.78-40,574.15

Finding the Fourth Proportional to 63,260.39, 87,264.78 and 40,574.15

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Solution

The fourth proportional to 63,260.39, 87,264.78 and 40,574.15 is: 55,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,260.39 : 87,264.78 = 40,574.15 : x
  2. Step 2: Convert to fraction form
    63,260.39/87,264.78 = 40,574.15/x
  3. Step 3: Cross multiply
    63,260.39x = 87,264.78 × 40,574.15
  4. Step 4: Simplify right side
    63,260.39x = 3,540,693,837.11
  5. Step 5: Solve for x
    x = 3,540,693,837.11/63,260.39
  6. Step 6: Final answer
    x = 55,970.16

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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.