Home / 56,330.48-77,734.86-30,836.18

Finding the Fourth Proportional to 56,330.48, 77,734.86 and 30,836.18

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Solution

The fourth proportional to 56,330.48, 77,734.86 and 30,836.18 is: 42,553.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,330.48 : 77,734.86 = 30,836.18 : x
  2. Step 2: Convert to fraction form
    56,330.48/77,734.86 = 30,836.18/x
  3. Step 3: Cross multiply
    56,330.48x = 77,734.86 × 30,836.18
  4. Step 4: Simplify right side
    56,330.48x = 2,397,046,135.23
  5. Step 5: Solve for x
    x = 2,397,046,135.23/56,330.48
  6. Step 6: Final answer
    x = 42,553.27

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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.