Home / 43,971.79-65,957.10-10,691.76

Finding the Fourth Proportional to 43,971.79, 65,957.10 and 10,691.76

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Solution

The fourth proportional to 43,971.79, 65,957.10 and 10,691.76 is: 16,037.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,971.79 : 65,957.10 = 10,691.76 : x
  2. Step 2: Convert to fraction form
    43,971.79/65,957.10 = 10,691.76/x
  3. Step 3: Cross multiply
    43,971.79x = 65,957.10 × 10,691.76
  4. Step 4: Simplify right side
    43,971.79x = 705,197,483.50
  5. Step 5: Solve for x
    x = 705,197,483.50/43,971.79
  6. Step 6: Final answer
    x = 16,037.50

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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.