Home / 43,003.12-64,502.39-13,417.57

Finding the Fourth Proportional to 43,003.12, 64,502.39 and 13,417.57

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Solution

The fourth proportional to 43,003.12, 64,502.39 and 13,417.57 is: 20,125.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,003.12 : 64,502.39 = 13,417.57 : x
  2. Step 2: Convert to fraction form
    43,003.12/64,502.39 = 13,417.57/x
  3. Step 3: Cross multiply
    43,003.12x = 64,502.39 × 13,417.57
  4. Step 4: Simplify right side
    43,003.12x = 865,465,084.34
  5. Step 5: Solve for x
    x = 865,465,084.34/43,003.12
  6. Step 6: Final answer
    x = 20,125.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.