Home / 50,779.06-70,074.25-28,117.56

Finding the Fourth Proportional to 50,779.06, 70,074.25 and 28,117.56

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Solution

The fourth proportional to 50,779.06, 70,074.25 and 28,117.56 is: 38,801.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,779.06 : 70,074.25 = 28,117.56 : x
  2. Step 2: Convert to fraction form
    50,779.06/70,074.25 = 28,117.56/x
  3. Step 3: Cross multiply
    50,779.06x = 70,074.25 × 28,117.56
  4. Step 4: Simplify right side
    50,779.06x = 1,970,316,788.24
  5. Step 5: Solve for x
    x = 1,970,316,788.24/50,779.06
  6. Step 6: Final answer
    x = 38,801.76

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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.