Home / 54,319.95-74,821.32-38,376.72

Finding the Fourth Proportional to 54,319.95, 74,821.32 and 38,376.72

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Solution

The fourth proportional to 54,319.95, 74,821.32 and 38,376.72 is: 52,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319.95 : 74,821.32 = 38,376.72 : x
  2. Step 2: Convert to fraction form
    54,319.95/74,821.32 = 38,376.72/x
  3. Step 3: Cross multiply
    54,319.95x = 74,821.32 × 38,376.72
  4. Step 4: Simplify right side
    54,319.95x = 2,871,396,847.67
  5. Step 5: Solve for x
    x = 2,871,396,847.67/54,319.95
  6. Step 6: Final answer
    x = 52,860.82

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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.