Home / 44,038.74-66,068.91-20,637.90

Finding the Fourth Proportional to 44,038.74, 66,068.91 and 20,637.90

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Solution

The fourth proportional to 44,038.74, 66,068.91 and 20,637.90 is: 30,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,038.74 : 66,068.91 = 20,637.90 : x
  2. Step 2: Convert to fraction form
    44,038.74/66,068.91 = 20,637.90/x
  3. Step 3: Cross multiply
    44,038.74x = 66,068.91 × 20,637.90
  4. Step 4: Simplify right side
    44,038.74x = 1,363,523,557.69
  5. Step 5: Solve for x
    x = 1,363,523,557.69/44,038.74
  6. Step 6: Final answer
    x = 30,961.91

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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.