Home / 47,421.48-65,443.53-27,278.34

Finding the Fourth Proportional to 47,421.48, 65,443.53 and 27,278.34

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Solution

The fourth proportional to 47,421.48, 65,443.53 and 27,278.34 is: 37,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,421.48 : 65,443.53 = 27,278.34 : x
  2. Step 2: Convert to fraction form
    47,421.48/65,443.53 = 27,278.34/x
  3. Step 3: Cross multiply
    47,421.48x = 65,443.53 × 27,278.34
  4. Step 4: Simplify right side
    47,421.48x = 1,785,190,862.14
  5. Step 5: Solve for x
    x = 1,785,190,862.14/47,421.48
  6. Step 6: Final answer
    x = 37,645.20

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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.