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Finding the Fourth Proportional to 62,220.63, 85,868.61 and 35,363.19

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Solution

The fourth proportional to 62,220.63, 85,868.61 and 35,363.19 is: 48,803.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,220.63 : 85,868.61 = 35,363.19 : x
  2. Step 2: Convert to fraction form
    62,220.63/85,868.61 = 35,363.19/x
  3. Step 3: Cross multiply
    62,220.63x = 85,868.61 × 35,363.19
  4. Step 4: Simplify right side
    62,220.63x = 3,036,587,970.47
  5. Step 5: Solve for x
    x = 3,036,587,970.47/62,220.63
  6. Step 6: Final answer
    x = 48,803.56

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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.