Home / 64,527.89-89,012.39-40,613.04

Finding the Fourth Proportional to 64,527.89, 89,012.39 and 40,613.04

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Solution

The fourth proportional to 64,527.89, 89,012.39 and 40,613.04 is: 56,023.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,527.89 : 89,012.39 = 40,613.04 : x
  2. Step 2: Convert to fraction form
    64,527.89/89,012.39 = 40,613.04/x
  3. Step 3: Cross multiply
    64,527.89x = 89,012.39 × 40,613.04
  4. Step 4: Simplify right side
    64,527.89x = 3,615,063,857.10
  5. Step 5: Solve for x
    x = 3,615,063,857.10/64,527.89
  6. Step 6: Final answer
    x = 56,023.28

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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.