Home / 34,147.50-47,123.74-19,041.12

Finding the Fourth Proportional to 34,147.50, 47,123.74 and 19,041.12

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Solution

The fourth proportional to 34,147.50, 47,123.74 and 19,041.12 is: 26,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,147.50 : 47,123.74 = 19,041.12 : x
  2. Step 2: Convert to fraction form
    34,147.50/47,123.74 = 19,041.12/x
  3. Step 3: Cross multiply
    34,147.50x = 47,123.74 × 19,041.12
  4. Step 4: Simplify right side
    34,147.50x = 897,288,788.19
  5. Step 5: Solve for x
    x = 897,288,788.19/34,147.50
  6. Step 6: Final answer
    x = 26,276.85

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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.