Home / 45,143.48-67,707.50-13,544.92

Finding the Fourth Proportional to 45,143.48, 67,707.50 and 13,544.92

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Solution

The fourth proportional to 45,143.48, 67,707.50 and 13,544.92 is: 20,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,143.48 : 67,707.50 = 13,544.92 : x
  2. Step 2: Convert to fraction form
    45,143.48/67,707.50 = 13,544.92/x
  3. Step 3: Cross multiply
    45,143.48x = 67,707.50 × 13,544.92
  4. Step 4: Simplify right side
    45,143.48x = 917,092,670.90
  5. Step 5: Solve for x
    x = 917,092,670.90/45,143.48
  6. Step 6: Final answer
    x = 20,315.06

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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.