Home / 46,921.29-70,385.78-13,641.33

Finding the Fourth Proportional to 46,921.29, 70,385.78 and 13,641.33

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Solution

The fourth proportional to 46,921.29, 70,385.78 and 13,641.33 is: 20,463.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,921.29 : 70,385.78 = 13,641.33 : x
  2. Step 2: Convert to fraction form
    46,921.29/70,385.78 = 13,641.33/x
  3. Step 3: Cross multiply
    46,921.29x = 70,385.78 × 13,641.33
  4. Step 4: Simplify right side
    46,921.29x = 960,155,652.29
  5. Step 5: Solve for x
    x = 960,155,652.29/46,921.29
  6. Step 6: Final answer
    x = 20,463.11

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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.