Home / 54,320.95-74,962.66-30,447.62

Finding the Fourth Proportional to 54,320.95, 74,962.66 and 30,447.62

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Solution

The fourth proportional to 54,320.95, 74,962.66 and 30,447.62 is: 42,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,320.95 : 74,962.66 = 30,447.62 : x
  2. Step 2: Convert to fraction form
    54,320.95/74,962.66 = 30,447.62/x
  3. Step 3: Cross multiply
    54,320.95x = 74,962.66 × 30,447.62
  4. Step 4: Simplify right side
    54,320.95x = 2,282,434,585.87
  5. Step 5: Solve for x
    x = 2,282,434,585.87/54,320.95
  6. Step 6: Final answer
    x = 42,017.57

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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.