Home / 49,345.60-74,042.70-28,301.80

Finding the Fourth Proportional to 49,345.60, 74,042.70 and 28,301.80

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Solution

The fourth proportional to 49,345.60, 74,042.70 and 28,301.80 is: 42,466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,345.60 : 74,042.70 = 28,301.80 : x
  2. Step 2: Convert to fraction form
    49,345.60/74,042.70 = 28,301.80/x
  3. Step 3: Cross multiply
    49,345.60x = 74,042.70 × 28,301.80
  4. Step 4: Simplify right side
    49,345.60x = 2,095,541,686.86
  5. Step 5: Solve for x
    x = 2,095,541,686.86/49,345.60
  6. Step 6: Final answer
    x = 42,466.64

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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.