Home / 53,681.13-80,496.70-19,923.63

Finding the Fourth Proportional to 53,681.13, 80,496.70 and 19,923.63

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Solution

The fourth proportional to 53,681.13, 80,496.70 and 19,923.63 is: 29,876.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,681.13 : 80,496.70 = 19,923.63 : x
  2. Step 2: Convert to fraction form
    53,681.13/80,496.70 = 19,923.63/x
  3. Step 3: Cross multiply
    53,681.13x = 80,496.70 × 19,923.63
  4. Step 4: Simplify right side
    53,681.13x = 1,603,786,793.79
  5. Step 5: Solve for x
    x = 1,603,786,793.79/53,681.13
  6. Step 6: Final answer
    x = 29,876.18

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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.