Home / 63,807.36-88,057.28-38,659.20

Finding the Fourth Proportional to 63,807.36, 88,057.28 and 38,659.20

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Solution

The fourth proportional to 63,807.36, 88,057.28 and 38,659.20 is: 53,351.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,807.36 : 88,057.28 = 38,659.20 : x
  2. Step 2: Convert to fraction form
    63,807.36/88,057.28 = 38,659.20/x
  3. Step 3: Cross multiply
    63,807.36x = 88,057.28 × 38,659.20
  4. Step 4: Simplify right side
    63,807.36x = 3,404,223,998.98
  5. Step 5: Solve for x
    x = 3,404,223,998.98/63,807.36
  6. Step 6: Final answer
    x = 53,351.59

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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.