Home / 51,402.33-77,065.02-21,801.15

Finding the Fourth Proportional to 51,402.33, 77,065.02 and 21,801.15

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Solution

The fourth proportional to 51,402.33, 77,065.02 and 21,801.15 is: 32,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,402.33 : 77,065.02 = 21,801.15 : x
  2. Step 2: Convert to fraction form
    51,402.33/77,065.02 = 21,801.15/x
  3. Step 3: Cross multiply
    51,402.33x = 77,065.02 × 21,801.15
  4. Step 4: Simplify right side
    51,402.33x = 1,680,106,060.77
  5. Step 5: Solve for x
    x = 1,680,106,060.77/51,402.33
  6. Step 6: Final answer
    x = 32,685.41

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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.