Home / 53,641.60-80,436.48-31,462.18

Finding the Fourth Proportional to 53,641.60, 80,436.48 and 31,462.18

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Solution

The fourth proportional to 53,641.60, 80,436.48 and 31,462.18 is: 47,178.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,641.60 : 80,436.48 = 31,462.18 : x
  2. Step 2: Convert to fraction form
    53,641.60/80,436.48 = 31,462.18/x
  3. Step 3: Cross multiply
    53,641.60x = 80,436.48 × 31,462.18
  4. Step 4: Simplify right side
    53,641.60x = 2,530,707,012.33
  5. Step 5: Solve for x
    x = 2,530,707,012.33/53,641.60
  6. Step 6: Final answer
    x = 47,178.07

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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.