Home / 46,419.92-69,641.40-13,587.92

Finding the Fourth Proportional to 46,419.92, 69,641.40 and 13,587.92

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Solution

The fourth proportional to 46,419.92, 69,641.40 and 13,587.92 is: 20,385.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,419.92 : 69,641.40 = 13,587.92 : x
  2. Step 2: Convert to fraction form
    46,419.92/69,641.40 = 13,587.92/x
  3. Step 3: Cross multiply
    46,419.92x = 69,641.40 × 13,587.92
  4. Step 4: Simplify right side
    46,419.92x = 946,281,771.89
  5. Step 5: Solve for x
    x = 946,281,771.89/46,419.92
  6. Step 6: Final answer
    x = 20,385.25

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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.