Home / 56,320.78-84,495.30-16,877.80

Finding the Fourth Proportional to 56,320.78, 84,495.30 and 16,877.80

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Solution

The fourth proportional to 56,320.78, 84,495.30 and 16,877.80 is: 25,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,320.78 : 84,495.30 = 16,877.80 : x
  2. Step 2: Convert to fraction form
    56,320.78/84,495.30 = 16,877.80/x
  3. Step 3: Cross multiply
    56,320.78x = 84,495.30 × 16,877.80
  4. Step 4: Simplify right side
    56,320.78x = 1,426,094,774.34
  5. Step 5: Solve for x
    x = 1,426,094,774.34/56,320.78
  6. Step 6: Final answer
    x = 25,320.93

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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.