Home / 47,888.74-66,081.81-26,378.20

Finding the Fourth Proportional to 47,888.74, 66,081.81 and 26,378.20

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Solution

The fourth proportional to 47,888.74, 66,081.81 and 26,378.20 is: 36,399.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,888.74 : 66,081.81 = 26,378.20 : x
  2. Step 2: Convert to fraction form
    47,888.74/66,081.81 = 26,378.20/x
  3. Step 3: Cross multiply
    47,888.74x = 66,081.81 × 26,378.20
  4. Step 4: Simplify right side
    47,888.74x = 1,743,119,200.54
  5. Step 5: Solve for x
    x = 1,743,119,200.54/47,888.74
  6. Step 6: Final answer
    x = 36,399.35

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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.