Home / 53,939.78-80,875.86-16,487.40

Finding the Fourth Proportional to 53,939.78, 80,875.86 and 16,487.40

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Solution

The fourth proportional to 53,939.78, 80,875.86 and 16,487.40 is: 24,720.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,939.78 : 80,875.86 = 16,487.40 : x
  2. Step 2: Convert to fraction form
    53,939.78/80,875.86 = 16,487.40/x
  3. Step 3: Cross multiply
    53,939.78x = 80,875.86 × 16,487.40
  4. Step 4: Simplify right side
    53,939.78x = 1,333,432,654.16
  5. Step 5: Solve for x
    x = 1,333,432,654.16/53,939.78
  6. Step 6: Final answer
    x = 24,720.77

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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.