Home / 40,678.02-61,022.82-12,600.28

Finding the Fourth Proportional to 40,678.02, 61,022.82 and 12,600.28

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Solution

The fourth proportional to 40,678.02, 61,022.82 and 12,600.28 is: 18,902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,678.02 : 61,022.82 = 12,600.28 : x
  2. Step 2: Convert to fraction form
    40,678.02/61,022.82 = 12,600.28/x
  3. Step 3: Cross multiply
    40,678.02x = 61,022.82 × 12,600.28
  4. Step 4: Simplify right side
    40,678.02x = 768,904,741.92
  5. Step 5: Solve for x
    x = 768,904,741.92/40,678.02
  6. Step 6: Final answer
    x = 18,902.22

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1.5x scale

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.