Home / 48,841.18-67,408.81-40,880.50

Finding the Fourth Proportional to 48,841.18, 67,408.81 and 40,880.50

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Solution

The fourth proportional to 48,841.18, 67,408.81 and 40,880.50 is: 56,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,841.18 : 67,408.81 = 40,880.50 : x
  2. Step 2: Convert to fraction form
    48,841.18/67,408.81 = 40,880.50/x
  3. Step 3: Cross multiply
    48,841.18x = 67,408.81 × 40,880.50
  4. Step 4: Simplify right side
    48,841.18x = 2,755,705,586.48
  5. Step 5: Solve for x
    x = 2,755,705,586.48/48,841.18
  6. Step 6: Final answer
    x = 56,421.77

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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.