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Finding the Fourth Proportional to 43,000.72, 59,353.38 and 26,005

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Solution

The fourth proportional to 43,000.72, 59,353.38 and 26,005 is: 35,894.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,000.72 : 59,353.38 = 26,005 : x
  2. Step 2: Convert to fraction form
    43,000.72/59,353.38 = 26,005/x
  3. Step 3: Cross multiply
    43,000.72x = 59,353.38 × 26,005
  4. Step 4: Simplify right side
    43,000.72x = 1,543,484,646.90
  5. Step 5: Solve for x
    x = 1,543,484,646.90/43,000.72
  6. Step 6: Final answer
    x = 35,894.39

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1.5x scale

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.