Home / 34,887.65-48,145.31-18,972.45

Finding the Fourth Proportional to 34,887.65, 48,145.31 and 18,972.45

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Solution

The fourth proportional to 34,887.65, 48,145.31 and 18,972.45 is: 26,182.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,887.65 : 48,145.31 = 18,972.45 : x
  2. Step 2: Convert to fraction form
    34,887.65/48,145.31 = 18,972.45/x
  3. Step 3: Cross multiply
    34,887.65x = 48,145.31 × 18,972.45
  4. Step 4: Simplify right side
    34,887.65x = 913,434,391.85
  5. Step 5: Solve for x
    x = 913,434,391.85/34,887.65
  6. Step 6: Final answer
    x = 26,182.17

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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.