Home / 49,785.40-74,678.10-24,902.20

Finding the Fourth Proportional to 49,785.40, 74,678.10 and 24,902.20

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Solution

The fourth proportional to 49,785.40, 74,678.10 and 24,902.20 is: 37,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,785.40 : 74,678.10 = 24,902.20 : x
  2. Step 2: Convert to fraction form
    49,785.40/74,678.10 = 24,902.20/x
  3. Step 3: Cross multiply
    49,785.40x = 74,678.10 × 24,902.20
  4. Step 4: Simplify right side
    49,785.40x = 1,859,648,981.82
  5. Step 5: Solve for x
    x = 1,859,648,981.82/49,785.40
  6. Step 6: Final answer
    x = 37,353.30

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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.