Home / 35,377.56-48,778.20-21,225.24

Finding the Fourth Proportional to 35,377.56, 48,778.20 and 21,225.24

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Solution

The fourth proportional to 35,377.56, 48,778.20 and 21,225.24 is: 29,265.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,377.56 : 48,778.20 = 21,225.24 : x
  2. Step 2: Convert to fraction form
    35,377.56/48,778.20 = 21,225.24/x
  3. Step 3: Cross multiply
    35,377.56x = 48,778.20 × 21,225.24
  4. Step 4: Simplify right side
    35,377.56x = 1,035,329,001.77
  5. Step 5: Solve for x
    x = 1,035,329,001.77/35,377.56
  6. Step 6: Final answer
    x = 29,265.13

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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.