Home / 45,294.21-67,943.68-13,703.47

Finding the Fourth Proportional to 45,294.21, 67,943.68 and 13,703.47

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Solution

The fourth proportional to 45,294.21, 67,943.68 and 13,703.47 is: 20,555.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,294.21 : 67,943.68 = 13,703.47 : x
  2. Step 2: Convert to fraction form
    45,294.21/67,943.68 = 13,703.47/x
  3. Step 3: Cross multiply
    45,294.21x = 67,943.68 × 13,703.47
  4. Step 4: Simplify right side
    45,294.21x = 931,064,180.57
  5. Step 5: Solve for x
    x = 931,064,180.57/45,294.21
  6. Step 6: Final answer
    x = 20,555.92

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1.5x scale

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.