Home / 53,648.80-80,421.36-18,562.08

Finding the Fourth Proportional to 53,648.80, 80,421.36 and 18,562.08

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Solution

The fourth proportional to 53,648.80, 80,421.36 and 18,562.08 is: 27,825.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,648.80 : 80,421.36 = 18,562.08 : x
  2. Step 2: Convert to fraction form
    53,648.80/80,421.36 = 18,562.08/x
  3. Step 3: Cross multiply
    53,648.80x = 80,421.36 × 18,562.08
  4. Step 4: Simplify right side
    53,648.80x = 1,492,787,718.03
  5. Step 5: Solve for x
    x = 1,492,787,718.03/53,648.80
  6. Step 6: Final answer
    x = 27,825.18

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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.