Home / 44,333.49-66,462.81-20,628.78

Finding the Fourth Proportional to 44,333.49, 66,462.81 and 20,628.78

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Solution

The fourth proportional to 44,333.49, 66,462.81 and 20,628.78 is: 30,925.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,333.49 : 66,462.81 = 20,628.78 : x
  2. Step 2: Convert to fraction form
    44,333.49/66,462.81 = 20,628.78/x
  3. Step 3: Cross multiply
    44,333.49x = 66,462.81 × 20,628.78
  4. Step 4: Simplify right side
    44,333.49x = 1,371,046,685.67
  5. Step 5: Solve for x
    x = 1,371,046,685.67/44,333.49
  6. Step 6: Final answer
    x = 30,925.76

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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.