Home / 40,799.63-61,199.42-12,721.93

Finding the Fourth Proportional to 40,799.63, 61,199.42 and 12,721.93

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Solution

The fourth proportional to 40,799.63, 61,199.42 and 12,721.93 is: 19,082.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,799.63 : 61,199.42 = 12,721.93 : x
  2. Step 2: Convert to fraction form
    40,799.63/61,199.42 = 12,721.93/x
  3. Step 3: Cross multiply
    40,799.63x = 61,199.42 × 12,721.93
  4. Step 4: Simplify right side
    40,799.63x = 778,574,520.67
  5. Step 5: Solve for x
    x = 778,574,520.67/40,799.63
  6. Step 6: Final answer
    x = 19,082.88

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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.