Home / 35,987.13-49,666.10-20,077.11

Finding the Fourth Proportional to 35,987.13, 49,666.10 and 20,077.11

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Solution

The fourth proportional to 35,987.13, 49,666.10 and 20,077.11 is: 27,708.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,987.13 : 49,666.10 = 20,077.11 : x
  2. Step 2: Convert to fraction form
    35,987.13/49,666.10 = 20,077.11/x
  3. Step 3: Cross multiply
    35,987.13x = 49,666.10 × 20,077.11
  4. Step 4: Simplify right side
    35,987.13x = 997,151,652.59
  5. Step 5: Solve for x
    x = 997,151,652.59/35,987.13
  6. Step 6: Final answer
    x = 27,708.56

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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.