Home / 53,091.04-79,494.24-28,079.20

Finding the Fourth Proportional to 53,091.04, 79,494.24 and 28,079.20

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Solution

The fourth proportional to 53,091.04, 79,494.24 and 28,079.20 is: 42,043.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,091.04 : 79,494.24 = 28,079.20 : x
  2. Step 2: Convert to fraction form
    53,091.04/79,494.24 = 28,079.20/x
  3. Step 3: Cross multiply
    53,091.04x = 79,494.24 × 28,079.20
  4. Step 4: Simplify right side
    53,091.04x = 2,232,134,663.81
  5. Step 5: Solve for x
    x = 2,232,134,663.81/53,091.04
  6. Step 6: Final answer
    x = 42,043.53

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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.