Home / 53,454.04-80,157.36-28,489.44

Finding the Fourth Proportional to 53,454.04, 80,157.36 and 28,489.44

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Solution

The fourth proportional to 53,454.04, 80,157.36 and 28,489.44 is: 42,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,454.04 : 80,157.36 = 28,489.44 : x
  2. Step 2: Convert to fraction form
    53,454.04/80,157.36 = 28,489.44/x
  3. Step 3: Cross multiply
    53,454.04x = 80,157.36 × 28,489.44
  4. Step 4: Simplify right side
    53,454.04x = 2,283,638,298.28
  5. Step 5: Solve for x
    x = 2,283,638,298.28/53,454.04
  6. Step 6: Final answer
    x = 42,721.53

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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.