Home / 43,869.84-65,810.28-14,279.76

Finding the Fourth Proportional to 43,869.84, 65,810.28 and 14,279.76

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Solution

The fourth proportional to 43,869.84, 65,810.28 and 14,279.76 is: 21,421.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,869.84 : 65,810.28 = 14,279.76 : x
  2. Step 2: Convert to fraction form
    43,869.84/65,810.28 = 14,279.76/x
  3. Step 3: Cross multiply
    43,869.84x = 65,810.28 × 14,279.76
  4. Step 4: Simplify right side
    43,869.84x = 939,755,003.93
  5. Step 5: Solve for x
    x = 939,755,003.93/43,869.84
  6. Step 6: Final answer
    x = 21,421.44

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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.