Home / 35,534.18-49,031.92-20,427.48

Finding the Fourth Proportional to 35,534.18, 49,031.92 and 20,427.48

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Solution

The fourth proportional to 35,534.18, 49,031.92 and 20,427.48 is: 28,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,534.18 : 49,031.92 = 20,427.48 : x
  2. Step 2: Convert to fraction form
    35,534.18/49,031.92 = 20,427.48/x
  3. Step 3: Cross multiply
    35,534.18x = 49,031.92 × 20,427.48
  4. Step 4: Simplify right side
    35,534.18x = 1,001,598,565.16
  5. Step 5: Solve for x
    x = 1,001,598,565.16/35,534.18
  6. Step 6: Final answer
    x = 28,186.91

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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.