Home / 43,236.34-64,424.71-38,520.11

Finding the Fourth Proportional to 43,236.34, 64,424.71 and 38,520.11

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Solution

The fourth proportional to 43,236.34, 64,424.71 and 38,520.11 is: 57,397.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,236.34 : 64,424.71 = 38,520.11 : x
  2. Step 2: Convert to fraction form
    43,236.34/64,424.71 = 38,520.11/x
  3. Step 3: Cross multiply
    43,236.34x = 64,424.71 × 38,520.11
  4. Step 4: Simplify right side
    43,236.34x = 2,481,646,723.32
  5. Step 5: Solve for x
    x = 2,481,646,723.32/43,236.34
  6. Step 6: Final answer
    x = 57,397.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.