Home / 56,009.78-77,250.81-38,074.56

Finding the Fourth Proportional to 56,009.78, 77,250.81 and 38,074.56

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Solution

The fourth proportional to 56,009.78, 77,250.81 and 38,074.56 is: 52,513.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,009.78 : 77,250.81 = 38,074.56 : x
  2. Step 2: Convert to fraction form
    56,009.78/77,250.81 = 38,074.56/x
  3. Step 3: Cross multiply
    56,009.78x = 77,250.81 × 38,074.56
  4. Step 4: Simplify right side
    56,009.78x = 2,941,290,600.39
  5. Step 5: Solve for x
    x = 2,941,290,600.39/56,009.78
  6. Step 6: Final answer
    x = 52,513.88

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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.