Home / 47,023.78-64,888.09-28,160.42

Finding the Fourth Proportional to 47,023.78, 64,888.09 and 28,160.42

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Solution

The fourth proportional to 47,023.78, 64,888.09 and 28,160.42 is: 38,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,023.78 : 64,888.09 = 28,160.42 : x
  2. Step 2: Convert to fraction form
    47,023.78/64,888.09 = 28,160.42/x
  3. Step 3: Cross multiply
    47,023.78x = 64,888.09 × 28,160.42
  4. Step 4: Simplify right side
    47,023.78x = 1,827,275,867.40
  5. Step 5: Solve for x
    x = 1,827,275,867.40/47,023.78
  6. Step 6: Final answer
    x = 38,858.55

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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.