Home / 64,014.40-88,350.24-38,876.80

Finding the Fourth Proportional to 64,014.40, 88,350.24 and 38,876.80

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Solution

The fourth proportional to 64,014.40, 88,350.24 and 38,876.80 is: 53,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,014.40 : 88,350.24 = 38,876.80 : x
  2. Step 2: Convert to fraction form
    64,014.40/88,350.24 = 38,876.80/x
  3. Step 3: Cross multiply
    64,014.40x = 88,350.24 × 38,876.80
  4. Step 4: Simplify right side
    64,014.40x = 3,434,774,610.43
  5. Step 5: Solve for x
    x = 3,434,774,610.43/64,014.40
  6. Step 6: Final answer
    x = 53,656.28

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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.