Home / 53,220.87-79,808.13-15,261.77

Finding the Fourth Proportional to 53,220.87, 79,808.13 and 15,261.77

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Solution

The fourth proportional to 53,220.87, 79,808.13 and 15,261.77 is: 22,886.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220.87 : 79,808.13 = 15,261.77 : x
  2. Step 2: Convert to fraction form
    53,220.87/79,808.13 = 15,261.77/x
  3. Step 3: Cross multiply
    53,220.87x = 79,808.13 × 15,261.77
  4. Step 4: Simplify right side
    53,220.87x = 1,218,013,324.19
  5. Step 5: Solve for x
    x = 1,218,013,324.19/53,220.87
  6. Step 6: Final answer
    x = 22,886.01

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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.