Home / 56,378.72-84,520.56-28,264.16

Finding the Fourth Proportional to 56,378.72, 84,520.56 and 28,264.16

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Solution

The fourth proportional to 56,378.72, 84,520.56 and 28,264.16 is: 42,372.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,378.72 : 84,520.56 = 28,264.16 : x
  2. Step 2: Convert to fraction form
    56,378.72/84,520.56 = 28,264.16/x
  3. Step 3: Cross multiply
    56,378.72x = 84,520.56 × 28,264.16
  4. Step 4: Simplify right side
    56,378.72x = 2,388,902,631.13
  5. Step 5: Solve for x
    x = 2,388,902,631.13/56,378.72
  6. Step 6: Final answer
    x = 42,372.42

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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.