Home / 31,347,889-43,256,170.04-17,407,348.80

Finding the Fourth Proportional to 31,347,889, 43,256,170.04 and 17,407,348.80

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Solution

The fourth proportional to 31,347,889, 43,256,170.04 and 17,407,348.80 is: 24,019,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347,889 : 43,256,170.04 = 17,407,348.80 : x
  2. Step 2: Convert to fraction form
    31,347,889/43,256,170.04 = 17,407,348.80/x
  3. Step 3: Cross multiply
    31,347,889x = 43,256,170.04 × 17,407,348.80
  4. Step 4: Simplify right side
    31,347,889x = 752,975,239,638,390
  5. Step 5: Solve for x
    x = 752,975,239,638,390/31,347,889
  6. Step 6: Final answer
    x = 24,019,966.37

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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.