Home / 29,200.28-40,309.80-19,129.16

Finding the Fourth Proportional to 29,200.28, 40,309.80 and 19,129.16

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Solution

The fourth proportional to 29,200.28, 40,309.80 and 19,129.16 is: 26,407.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,200.28 : 40,309.80 = 19,129.16 : x
  2. Step 2: Convert to fraction form
    29,200.28/40,309.80 = 19,129.16/x
  3. Step 3: Cross multiply
    29,200.28x = 40,309.80 × 19,129.16
  4. Step 4: Simplify right side
    29,200.28x = 771,092,613.77
  5. Step 5: Solve for x
    x = 771,092,613.77/29,200.28
  6. Step 6: Final answer
    x = 26,407.03

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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.