Home / 63,779.40-95,669.10-40,432.20

Finding the Fourth Proportional to 63,779.40, 95,669.10 and 40,432.20

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Solution

The fourth proportional to 63,779.40, 95,669.10 and 40,432.20 is: 60,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,779.40 : 95,669.10 = 40,432.20 : x
  2. Step 2: Convert to fraction form
    63,779.40/95,669.10 = 40,432.20/x
  3. Step 3: Cross multiply
    63,779.40x = 95,669.10 × 40,432.20
  4. Step 4: Simplify right side
    63,779.40x = 3,868,112,185.02
  5. Step 5: Solve for x
    x = 3,868,112,185.02/63,779.40
  6. Step 6: Final answer
    x = 60,648.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.