Home / 34,245.72-47,258.64-19,139.76

Finding the Fourth Proportional to 34,245.72, 47,258.64 and 19,139.76

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Solution

The fourth proportional to 34,245.72, 47,258.64 and 19,139.76 is: 26,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,245.72 : 47,258.64 = 19,139.76 : x
  2. Step 2: Convert to fraction form
    34,245.72/47,258.64 = 19,139.76/x
  3. Step 3: Cross multiply
    34,245.72x = 47,258.64 × 19,139.76
  4. Step 4: Simplify right side
    34,245.72x = 904,519,027.53
  5. Step 5: Solve for x
    x = 904,519,027.53/34,245.72
  6. Step 6: Final answer
    x = 26,412.62

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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.