Home / 44,040.24-66,071.16-20,639.40

Finding the Fourth Proportional to 44,040.24, 66,071.16 and 20,639.40

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Solution

The fourth proportional to 44,040.24, 66,071.16 and 20,639.40 is: 30,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,040.24 : 66,071.16 = 20,639.40 : x
  2. Step 2: Convert to fraction form
    44,040.24/66,071.16 = 20,639.40/x
  3. Step 3: Cross multiply
    44,040.24x = 66,071.16 × 20,639.40
  4. Step 4: Simplify right side
    44,040.24x = 1,363,669,099.70
  5. Step 5: Solve for x
    x = 1,363,669,099.70/44,040.24
  6. Step 6: Final answer
    x = 30,964.16

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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.