Home / 31,347,890-43,256,171.42-17,407,349.80

Finding the Fourth Proportional to 31,347,890, 43,256,171.42 and 17,407,349.80

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Solution

The fourth proportional to 31,347,890, 43,256,171.42 and 17,407,349.80 is: 24,019,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347,890 : 43,256,171.42 = 17,407,349.80 : x
  2. Step 2: Convert to fraction form
    31,347,890/43,256,171.42 = 17,407,349.80/x
  3. Step 3: Cross multiply
    31,347,890x = 43,256,171.42 × 17,407,349.80
  4. Step 4: Simplify right side
    31,347,890x = 752,975,306,916,702.75
  5. Step 5: Solve for x
    x = 752,975,306,916,702.75/31,347,890
  6. Step 6: Final answer
    x = 24,019,967.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.