Home / 40,677.66-61,018.65-12,617.10

Finding the Fourth Proportional to 40,677.66, 61,018.65 and 12,617.10

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Solution

The fourth proportional to 40,677.66, 61,018.65 and 12,617.10 is: 18,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,677.66 : 61,018.65 = 12,617.10 : x
  2. Step 2: Convert to fraction form
    40,677.66/61,018.65 = 12,617.10/x
  3. Step 3: Cross multiply
    40,677.66x = 61,018.65 × 12,617.10
  4. Step 4: Simplify right side
    40,677.66x = 769,878,408.92
  5. Step 5: Solve for x
    x = 769,878,408.92/40,677.66
  6. Step 6: Final answer
    x = 18,926.32

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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.