Home / 44,681.40-67,021.87-20,988.82

Finding the Fourth Proportional to 44,681.40, 67,021.87 and 20,988.82

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Solution

The fourth proportional to 44,681.40, 67,021.87 and 20,988.82 is: 31,483.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,681.40 : 67,021.87 = 20,988.82 : x
  2. Step 2: Convert to fraction form
    44,681.40/67,021.87 = 20,988.82/x
  3. Step 3: Cross multiply
    44,681.40x = 67,021.87 × 20,988.82
  4. Step 4: Simplify right side
    44,681.40x = 1,406,709,847.65
  5. Step 5: Solve for x
    x = 1,406,709,847.65/44,681.40
  6. Step 6: Final answer
    x = 31,483.12

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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.