Home / 47,430.20-65,455.62-27,287.12

Finding the Fourth Proportional to 47,430.20, 65,455.62 and 27,287.12

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Solution

The fourth proportional to 47,430.20, 65,455.62 and 27,287.12 is: 37,657.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,430.20 : 65,455.62 = 27,287.12 : x
  2. Step 2: Convert to fraction form
    47,430.20/65,455.62 = 27,287.12/x
  3. Step 3: Cross multiply
    47,430.20x = 65,455.62 × 27,287.12
  4. Step 4: Simplify right side
    47,430.20x = 1,786,095,357.61
  5. Step 5: Solve for x
    x = 1,786,095,357.61/47,430.20
  6. Step 6: Final answer
    x = 37,657.34

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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.