Home / 43,285.20-59,731.80-26,291.28

Finding the Fourth Proportional to 43,285.20, 59,731.80 and 26,291.28

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Solution

The fourth proportional to 43,285.20, 59,731.80 and 26,291.28 is: 36,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,285.20 : 59,731.80 = 26,291.28 : x
  2. Step 2: Convert to fraction form
    43,285.20/59,731.80 = 26,291.28/x
  3. Step 3: Cross multiply
    43,285.20x = 59,731.80 × 26,291.28
  4. Step 4: Simplify right side
    43,285.20x = 1,570,425,478.70
  5. Step 5: Solve for x
    x = 1,570,425,478.70/43,285.20
  6. Step 6: Final answer
    x = 36,280.89

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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.