Home / 39,834.16-59,751.24-12,132.40

Finding the Fourth Proportional to 39,834.16, 59,751.24 and 12,132.40

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Solution

The fourth proportional to 39,834.16, 59,751.24 and 12,132.40 is: 18,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,834.16 : 59,751.24 = 12,132.40 : x
  2. Step 2: Convert to fraction form
    39,834.16/59,751.24 = 12,132.40/x
  3. Step 3: Cross multiply
    39,834.16x = 59,751.24 × 12,132.40
  4. Step 4: Simplify right side
    39,834.16x = 724,925,944.18
  5. Step 5: Solve for x
    x = 724,925,944.18/39,834.16
  6. Step 6: Final answer
    x = 18,198.60

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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.