Home / 53,444.64-80,178.42-19,710.78

Finding the Fourth Proportional to 53,444.64, 80,178.42 and 19,710.78

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Solution

The fourth proportional to 53,444.64, 80,178.42 and 19,710.78 is: 29,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,444.64 : 80,178.42 = 19,710.78 : x
  2. Step 2: Convert to fraction form
    53,444.64/80,178.42 = 19,710.78/x
  3. Step 3: Cross multiply
    53,444.64x = 80,178.42 × 19,710.78
  4. Step 4: Simplify right side
    53,444.64x = 1,580,378,970.61
  5. Step 5: Solve for x
    x = 1,580,378,970.61/53,444.64
  6. Step 6: Final answer
    x = 29,570.39

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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.