Home / 44,639.40-66,959.10-18,330.60

Finding the Fourth Proportional to 44,639.40, 66,959.10 and 18,330.60

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Solution

The fourth proportional to 44,639.40, 66,959.10 and 18,330.60 is: 27,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,639.40 : 66,959.10 = 18,330.60 : x
  2. Step 2: Convert to fraction form
    44,639.40/66,959.10 = 18,330.60/x
  3. Step 3: Cross multiply
    44,639.40x = 66,959.10 × 18,330.60
  4. Step 4: Simplify right side
    44,639.40x = 1,227,400,478.46
  5. Step 5: Solve for x
    x = 1,227,400,478.46/44,639.40
  6. Step 6: Final answer
    x = 27,495.90

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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.