Home / 47,349.40-65,345.34-27,212.80

Finding the Fourth Proportional to 47,349.40, 65,345.34 and 27,212.80

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Solution

The fourth proportional to 47,349.40, 65,345.34 and 27,212.80 is: 37,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,349.40 : 65,345.34 = 27,212.80 : x
  2. Step 2: Convert to fraction form
    47,349.40/65,345.34 = 27,212.80/x
  3. Step 3: Cross multiply
    47,349.40x = 65,345.34 × 27,212.80
  4. Step 4: Simplify right side
    47,349.40x = 1,778,229,668.35
  5. Step 5: Solve for x
    x = 1,778,229,668.35/47,349.40
  6. Step 6: Final answer
    x = 37,555.48

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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.