Home / 49,433.60-74,150.40-28,710.40

Finding the Fourth Proportional to 49,433.60, 74,150.40 and 28,710.40

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Solution

The fourth proportional to 49,433.60, 74,150.40 and 28,710.40 is: 43,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,433.60 : 74,150.40 = 28,710.40 : x
  2. Step 2: Convert to fraction form
    49,433.60/74,150.40 = 28,710.40/x
  3. Step 3: Cross multiply
    49,433.60x = 74,150.40 × 28,710.40
  4. Step 4: Simplify right side
    49,433.60x = 2,128,887,644.16
  5. Step 5: Solve for x
    x = 2,128,887,644.16/49,433.60
  6. Step 6: Final answer
    x = 43,065.60

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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.