Home / 56,725.04-78,279.45-35,516

Finding the Fourth Proportional to 56,725.04, 78,279.45 and 35,516

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Solution

The fourth proportional to 56,725.04, 78,279.45 and 35,516 is: 49,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,725.04 : 78,279.45 = 35,516 : x
  2. Step 2: Convert to fraction form
    56,725.04/78,279.45 = 35,516/x
  3. Step 3: Cross multiply
    56,725.04x = 78,279.45 × 35,516
  4. Step 4: Simplify right side
    56,725.04x = 2,780,172,946.20
  5. Step 5: Solve for x
    x = 2,780,172,946.20/56,725.04
  6. Step 6: Final answer
    x = 49,011.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.