Home / 47,881.80-66,088.51-27,735.42

Finding the Fourth Proportional to 47,881.80, 66,088.51 and 27,735.42

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Solution

The fourth proportional to 47,881.80, 66,088.51 and 27,735.42 is: 38,281.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,881.80 : 66,088.51 = 27,735.42 : x
  2. Step 2: Convert to fraction form
    47,881.80/66,088.51 = 27,735.42/x
  3. Step 3: Cross multiply
    47,881.80x = 66,088.51 × 27,735.42
  4. Step 4: Simplify right side
    47,881.80x = 1,832,992,582.02
  5. Step 5: Solve for x
    x = 1,832,992,582.02/47,881.80
  6. Step 6: Final answer
    x = 38,281.61

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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.