Home / 51,438.65-77,144.47-21,841.25

Finding the Fourth Proportional to 51,438.65, 77,144.47 and 21,841.25

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Solution

The fourth proportional to 51,438.65, 77,144.47 and 21,841.25 is: 32,756.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,438.65 : 77,144.47 = 21,841.25 : x
  2. Step 2: Convert to fraction form
    51,438.65/77,144.47 = 21,841.25/x
  3. Step 3: Cross multiply
    51,438.65x = 77,144.47 × 21,841.25
  4. Step 4: Simplify right side
    51,438.65x = 1,684,931,655.39
  5. Step 5: Solve for x
    x = 1,684,931,655.39/51,438.65
  6. Step 6: Final answer
    x = 32,756.14

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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.