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Finding the Fourth Proportional to 44,510.76, 66,776.94 and 13,345.74

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Solution

The fourth proportional to 44,510.76, 66,776.94 and 13,345.74 is: 20,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,510.76 : 66,776.94 = 13,345.74 : x
  2. Step 2: Convert to fraction form
    44,510.76/66,776.94 = 13,345.74/x
  3. Step 3: Cross multiply
    44,510.76x = 66,776.94 × 13,345.74
  4. Step 4: Simplify right side
    44,510.76x = 891,187,679.24
  5. Step 5: Solve for x
    x = 891,187,679.24/44,510.76
  6. Step 6: Final answer
    x = 20,021.85

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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.