Home / 51,135.04-70,565.52-28,779.04

Finding the Fourth Proportional to 51,135.04, 70,565.52 and 28,779.04

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Solution

The fourth proportional to 51,135.04, 70,565.52 and 28,779.04 is: 39,714.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,135.04 : 70,565.52 = 28,779.04 : x
  2. Step 2: Convert to fraction form
    51,135.04/70,565.52 = 28,779.04/x
  3. Step 3: Cross multiply
    51,135.04x = 70,565.52 × 28,779.04
  4. Step 4: Simplify right side
    51,135.04x = 2,030,807,922.70
  5. Step 5: Solve for x
    x = 2,030,807,922.70/51,135.04
  6. Step 6: Final answer
    x = 39,714.61

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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.