Home / 65,511.41-90,408.95-36,840.10

Finding the Fourth Proportional to 65,511.41, 90,408.95 and 36,840.10

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Solution

The fourth proportional to 65,511.41, 90,408.95 and 36,840.10 is: 50,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,511.41 : 90,408.95 = 36,840.10 : x
  2. Step 2: Convert to fraction form
    65,511.41/90,408.95 = 36,840.10/x
  3. Step 3: Cross multiply
    65,511.41x = 90,408.95 × 36,840.10
  4. Step 4: Simplify right side
    65,511.41x = 3,330,674,758.90
  5. Step 5: Solve for x
    x = 3,330,674,758.90/65,511.41
  6. Step 6: Final answer
    x = 50,841.14

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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.