Home / 35,627.70-49,157.00-21,281.66

Finding the Fourth Proportional to 35,627.70, 49,157.00 and 21,281.66

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Solution

The fourth proportional to 35,627.70, 49,157.00 and 21,281.66 is: 29,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,627.70 : 49,157.00 = 21,281.66 : x
  2. Step 2: Convert to fraction form
    35,627.70/49,157.00 = 21,281.66/x
  3. Step 3: Cross multiply
    35,627.70x = 49,157.00 × 21,281.66
  4. Step 4: Simplify right side
    35,627.70x = 1,046,142,472.57
  5. Step 5: Solve for x
    x = 1,046,142,472.57/35,627.70
  6. Step 6: Final answer
    x = 29,363.18

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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.