Home / 47,412.08-65,428.28-26,190.90

Finding the Fourth Proportional to 47,412.08, 65,428.28 and 26,190.90

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Solution

The fourth proportional to 47,412.08, 65,428.28 and 26,190.90 is: 36,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,412.08 : 65,428.28 = 26,190.90 : x
  2. Step 2: Convert to fraction form
    47,412.08/65,428.28 = 26,190.90/x
  3. Step 3: Cross multiply
    47,412.08x = 65,428.28 × 26,190.90
  4. Step 4: Simplify right side
    47,412.08x = 1,713,625,538.65
  5. Step 5: Solve for x
    x = 1,713,625,538.65/47,412.08
  6. Step 6: Final answer
    x = 36,143.23

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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.