Home / 35,751.66-49,337.15-20,643.14

Finding the Fourth Proportional to 35,751.66, 49,337.15 and 20,643.14

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Solution

The fourth proportional to 35,751.66, 49,337.15 and 20,643.14 is: 28,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,751.66 : 49,337.15 = 20,643.14 : x
  2. Step 2: Convert to fraction form
    35,751.66/49,337.15 = 20,643.14/x
  3. Step 3: Cross multiply
    35,751.66x = 49,337.15 × 20,643.14
  4. Step 4: Simplify right side
    35,751.66x = 1,018,473,344.75
  5. Step 5: Solve for x
    x = 1,018,473,344.75/35,751.66
  6. Step 6: Final answer
    x = 28,487.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.