Home / 29,111.08-40,156.82-18,337.40

Finding the Fourth Proportional to 29,111.08, 40,156.82 and 18,337.40

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Solution

The fourth proportional to 29,111.08, 40,156.82 and 18,337.40 is: 25,295.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,111.08 : 40,156.82 = 18,337.40 : x
  2. Step 2: Convert to fraction form
    29,111.08/40,156.82 = 18,337.40/x
  3. Step 3: Cross multiply
    29,111.08x = 40,156.82 × 18,337.40
  4. Step 4: Simplify right side
    29,111.08x = 736,371,579.38
  5. Step 5: Solve for x
    x = 736,371,579.38/29,111.08
  6. Step 6: Final answer
    x = 25,295.24

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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.