Home / 34,218.96-51,345.46-19,216.76

Finding the Fourth Proportional to 34,218.96, 51,345.46 and 19,216.76

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Solution

The fourth proportional to 34,218.96, 51,345.46 and 19,216.76 is: 28,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,218.96 : 51,345.46 = 19,216.76 : x
  2. Step 2: Convert to fraction form
    34,218.96/51,345.46 = 19,216.76/x
  3. Step 3: Cross multiply
    34,218.96x = 51,345.46 × 19,216.76
  4. Step 4: Simplify right side
    34,218.96x = 986,693,381.91
  5. Step 5: Solve for x
    x = 986,693,381.91/34,218.96
  6. Step 6: Final answer
    x = 28,834.70

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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.