Home / 56,344.20-84,393.48-28,215.20

Finding the Fourth Proportional to 56,344.20, 84,393.48 and 28,215.20

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Solution

The fourth proportional to 56,344.20, 84,393.48 and 28,215.20 is: 42,261.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,344.20 : 84,393.48 = 28,215.20 : x
  2. Step 2: Convert to fraction form
    56,344.20/84,393.48 = 28,215.20/x
  3. Step 3: Cross multiply
    56,344.20x = 84,393.48 × 28,215.20
  4. Step 4: Simplify right side
    56,344.20x = 2,381,178,600.74
  5. Step 5: Solve for x
    x = 2,381,178,600.74/56,344.20
  6. Step 6: Final answer
    x = 42,261.29

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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.