Home / 63,779.19-88,005.99-38,280.15

Finding the Fourth Proportional to 63,779.19, 88,005.99 and 38,280.15

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Solution

The fourth proportional to 63,779.19, 88,005.99 and 38,280.15 is: 52,821.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,779.19 : 88,005.99 = 38,280.15 : x
  2. Step 2: Convert to fraction form
    63,779.19/88,005.99 = 38,280.15/x
  3. Step 3: Cross multiply
    63,779.19x = 88,005.99 × 38,280.15
  4. Step 4: Simplify right side
    63,779.19x = 3,368,882,498.10
  5. Step 5: Solve for x
    x = 3,368,882,498.10/63,779.19
  6. Step 6: Final answer
    x = 52,821.03

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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.