Home / 57,045.92-85,544.37-19,609.65

Finding the Fourth Proportional to 57,045.92, 85,544.37 and 19,609.65

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Solution

The fourth proportional to 57,045.92, 85,544.37 and 19,609.65 is: 29,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,045.92 : 85,544.37 = 19,609.65 : x
  2. Step 2: Convert to fraction form
    57,045.92/85,544.37 = 19,609.65/x
  3. Step 3: Cross multiply
    57,045.92x = 85,544.37 × 19,609.65
  4. Step 4: Simplify right side
    57,045.92x = 1,677,495,155.17
  5. Step 5: Solve for x
    x = 1,677,495,155.17/57,045.92
  6. Step 6: Final answer
    x = 29,406.05

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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.