Home / 49,820.40-74,730.60-41,947.20

Finding the Fourth Proportional to 49,820.40, 74,730.60 and 41,947.20

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Solution

The fourth proportional to 49,820.40, 74,730.60 and 41,947.20 is: 62,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,820.40 : 74,730.60 = 41,947.20 : x
  2. Step 2: Convert to fraction form
    49,820.40/74,730.60 = 41,947.20/x
  3. Step 3: Cross multiply
    49,820.40x = 74,730.60 × 41,947.20
  4. Step 4: Simplify right side
    49,820.40x = 3,134,739,424.32
  5. Step 5: Solve for x
    x = 3,134,739,424.32/49,820.40
  6. Step 6: Final answer
    x = 62,920.80

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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.