Home / 51,001.95-70,360.88-31,868.69

Finding the Fourth Proportional to 51,001.95, 70,360.88 and 31,868.69

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Solution

The fourth proportional to 51,001.95, 70,360.88 and 31,868.69 is: 43,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,001.95 : 70,360.88 = 31,868.69 : x
  2. Step 2: Convert to fraction form
    51,001.95/70,360.88 = 31,868.69/x
  3. Step 3: Cross multiply
    51,001.95x = 70,360.88 × 31,868.69
  4. Step 4: Simplify right side
    51,001.95x = 2,242,308,561.70
  5. Step 5: Solve for x
    x = 2,242,308,561.70/51,001.95
  6. Step 6: Final answer
    x = 43,965.15

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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.