Home / 49,945.60-74,918.40-47,641.60

Finding the Fourth Proportional to 49,945.60, 74,918.40 and 47,641.60

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Solution

The fourth proportional to 49,945.60, 74,918.40 and 47,641.60 is: 71,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,945.60 : 74,918.40 = 47,641.60 : x
  2. Step 2: Convert to fraction form
    49,945.60/74,918.40 = 47,641.60/x
  3. Step 3: Cross multiply
    49,945.60x = 74,918.40 × 47,641.60
  4. Step 4: Simplify right side
    49,945.60x = 3,569,232,445.44
  5. Step 5: Solve for x
    x = 3,569,232,445.44/49,945.60
  6. Step 6: Final answer
    x = 71,462.40

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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.