Home / 35,407.20-48,862.56-20,299.84

Finding the Fourth Proportional to 35,407.20, 48,862.56 and 20,299.84

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Solution

The fourth proportional to 35,407.20, 48,862.56 and 20,299.84 is: 28,014.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,407.20 : 48,862.56 = 20,299.84 : x
  2. Step 2: Convert to fraction form
    35,407.20/48,862.56 = 20,299.84/x
  3. Step 3: Cross multiply
    35,407.20x = 48,862.56 × 20,299.84
  4. Step 4: Simplify right side
    35,407.20x = 991,902,149.99
  5. Step 5: Solve for x
    x = 991,902,149.99/35,407.20
  6. Step 6: Final answer
    x = 28,014.14

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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.