Home / 47,139.58-70,695.53-13,851.73

Finding the Fourth Proportional to 47,139.58, 70,695.53 and 13,851.73

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Solution

The fourth proportional to 47,139.58, 70,695.53 and 13,851.73 is: 20,773.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,139.58 : 70,695.53 = 13,851.73 : x
  2. Step 2: Convert to fraction form
    47,139.58/70,695.53 = 13,851.73/x
  3. Step 3: Cross multiply
    47,139.58x = 70,695.53 × 13,851.73
  4. Step 4: Simplify right side
    47,139.58x = 979,255,182.40
  5. Step 5: Solve for x
    x = 979,255,182.40/47,139.58
  6. Step 6: Final answer
    x = 20,773.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.