Home / 29,091.15-40,140.36-17,158.23

Finding the Fourth Proportional to 29,091.15, 40,140.36 and 17,158.23

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Solution

The fourth proportional to 29,091.15, 40,140.36 and 17,158.23 is: 23,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,091.15 : 40,140.36 = 17,158.23 : x
  2. Step 2: Convert to fraction form
    29,091.15/40,140.36 = 17,158.23/x
  3. Step 3: Cross multiply
    29,091.15x = 40,140.36 × 17,158.23
  4. Step 4: Simplify right side
    29,091.15x = 688,737,529.16
  5. Step 5: Solve for x
    x = 688,737,529.16/29,091.15
  6. Step 6: Final answer
    x = 23,675.16

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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.