Home / 31,872,931.39-43,979,157.98-17,932,351.87

Finding the Fourth Proportional to 31,872,931.39, 43,979,157.98 and 17,932,351.87

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Solution

The fourth proportional to 31,872,931.39, 43,979,157.98 and 17,932,351.87 is: 24,743,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872,931.39 : 43,979,157.98 = 17,932,351.87 : x
  2. Step 2: Convert to fraction form
    31,872,931.39/43,979,157.98 = 17,932,351.87/x
  3. Step 3: Cross multiply
    31,872,931.39x = 43,979,157.98 × 17,932,351.87
  4. Step 4: Simplify right side
    31,872,931.39x = 788,649,735,623,782.50
  5. Step 5: Solve for x
    x = 788,649,735,623,782.50/31,872,931.39
  6. Step 6: Final answer
    x = 24,743,558.29

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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.