Home / 52,864.50-72,946.31-28,984.89

Finding the Fourth Proportional to 52,864.50, 72,946.31 and 28,984.89

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Solution

The fourth proportional to 52,864.50, 72,946.31 and 28,984.89 is: 39,995.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,864.50 : 72,946.31 = 28,984.89 : x
  2. Step 2: Convert to fraction form
    52,864.50/72,946.31 = 28,984.89/x
  3. Step 3: Cross multiply
    52,864.50x = 72,946.31 × 28,984.89
  4. Step 4: Simplify right side
    52,864.50x = 2,114,340,626.33
  5. Step 5: Solve for x
    x = 2,114,340,626.33/52,864.50
  6. Step 6: Final answer
    x = 39,995.47

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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.