Home / 64,332.64-88,766.36-40,445.43

Finding the Fourth Proportional to 64,332.64, 88,766.36 and 40,445.43

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Solution

The fourth proportional to 64,332.64, 88,766.36 and 40,445.43 is: 55,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,332.64 : 88,766.36 = 40,445.43 : x
  2. Step 2: Convert to fraction form
    64,332.64/88,766.36 = 40,445.43/x
  3. Step 3: Cross multiply
    64,332.64x = 88,766.36 × 40,445.43
  4. Step 4: Simplify right side
    64,332.64x = 3,590,194,192.78
  5. Step 5: Solve for x
    x = 3,590,194,192.78/64,332.64
  6. Step 6: Final answer
    x = 55,806.73

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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.