Home / 35,152.17-48,510.18-21,720.39

Finding the Fourth Proportional to 35,152.17, 48,510.18 and 21,720.39

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Solution

The fourth proportional to 35,152.17, 48,510.18 and 21,720.39 is: 29,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,152.17 : 48,510.18 = 21,720.39 : x
  2. Step 2: Convert to fraction form
    35,152.17/48,510.18 = 21,720.39/x
  3. Step 3: Cross multiply
    35,152.17x = 48,510.18 × 21,720.39
  4. Step 4: Simplify right side
    35,152.17x = 1,053,660,028.57
  5. Step 5: Solve for x
    x = 1,053,660,028.57/35,152.17
  6. Step 6: Final answer
    x = 29,974.25

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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.