Home / 29,646.47-40,912.90-16,218.29

Finding the Fourth Proportional to 29,646.47, 40,912.90 and 16,218.29

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Solution

The fourth proportional to 29,646.47, 40,912.90 and 16,218.29 is: 22,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,646.47 : 40,912.90 = 16,218.29 : x
  2. Step 2: Convert to fraction form
    29,646.47/40,912.90 = 16,218.29/x
  3. Step 3: Cross multiply
    29,646.47x = 40,912.90 × 16,218.29
  4. Step 4: Simplify right side
    29,646.47x = 663,537,338.68
  5. Step 5: Solve for x
    x = 663,537,338.68/29,646.47
  6. Step 6: Final answer
    x = 22,381.66

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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.