Home / 44,088.28-66,148.82-20,407.32

Finding the Fourth Proportional to 44,088.28, 66,148.82 and 20,407.32

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Solution

The fourth proportional to 44,088.28, 66,148.82 and 20,407.32 is: 30,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,088.28 : 66,148.82 = 20,407.32 : x
  2. Step 2: Convert to fraction form
    44,088.28/66,148.82 = 20,407.32/x
  3. Step 3: Cross multiply
    44,088.28x = 66,148.82 × 20,407.32
  4. Step 4: Simplify right side
    44,088.28x = 1,349,920,137.36
  5. Step 5: Solve for x
    x = 1,349,920,137.36/44,088.28
  6. Step 6: Final answer
    x = 30,618.57

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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.