Home / 32,920.79-49,381.07-13,213.17

Finding the Fourth Proportional to 32,920.79, 49,381.07 and 13,213.17

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Solution

The fourth proportional to 32,920.79, 49,381.07 and 13,213.17 is: 19,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,920.79 : 49,381.07 = 13,213.17 : x
  2. Step 2: Convert to fraction form
    32,920.79/49,381.07 = 13,213.17/x
  3. Step 3: Cross multiply
    32,920.79x = 49,381.07 × 13,213.17
  4. Step 4: Simplify right side
    32,920.79x = 652,480,406.63
  5. Step 5: Solve for x
    x = 652,480,406.63/32,920.79
  6. Step 6: Final answer
    x = 19,819.71

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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.