Home / 49,386.42-74,082.15-28,320.84

Finding the Fourth Proportional to 49,386.42, 74,082.15 and 28,320.84

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Solution

The fourth proportional to 49,386.42, 74,082.15 and 28,320.84 is: 42,482.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,386.42 : 74,082.15 = 28,320.84 : x
  2. Step 2: Convert to fraction form
    49,386.42/74,082.15 = 28,320.84/x
  3. Step 3: Cross multiply
    49,386.42x = 74,082.15 × 28,320.84
  4. Step 4: Simplify right side
    49,386.42x = 2,098,068,717.01
  5. Step 5: Solve for x
    x = 2,098,068,717.01/49,386.42
  6. Step 6: Final answer
    x = 42,482.71

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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.