Home / 63,211.20-87,230.80-34,915.04

Finding the Fourth Proportional to 63,211.20, 87,230.80 and 34,915.04

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Solution

The fourth proportional to 63,211.20, 87,230.80 and 34,915.04 is: 48,182.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,211.20 : 87,230.80 = 34,915.04 : x
  2. Step 2: Convert to fraction form
    63,211.20/87,230.80 = 34,915.04/x
  3. Step 3: Cross multiply
    63,211.20x = 87,230.80 × 34,915.04
  4. Step 4: Simplify right side
    63,211.20x = 3,045,666,871.23
  5. Step 5: Solve for x
    x = 3,045,666,871.23/63,211.20
  6. Step 6: Final answer
    x = 48,182.39

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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.