Home / 47,891.40-66,085.65-27,749.04

Finding the Fourth Proportional to 47,891.40, 66,085.65 and 27,749.04

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Solution

The fourth proportional to 47,891.40, 66,085.65 and 27,749.04 is: 38,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,891.40 : 66,085.65 = 27,749.04 : x
  2. Step 2: Convert to fraction form
    47,891.40/66,085.65 = 27,749.04/x
  3. Step 3: Cross multiply
    47,891.40x = 66,085.65 × 27,749.04
  4. Step 4: Simplify right side
    47,891.40x = 1,833,813,345.28
  5. Step 5: Solve for x
    x = 1,833,813,345.28/47,891.40
  6. Step 6: Final answer
    x = 38,291.08

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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.