Home / 53,885.74-80,828.77-18,825.40

Finding the Fourth Proportional to 53,885.74, 80,828.77 and 18,825.40

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Solution

The fourth proportional to 53,885.74, 80,828.77 and 18,825.40 is: 28,238.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,885.74 : 80,828.77 = 18,825.40 : x
  2. Step 2: Convert to fraction form
    53,885.74/80,828.77 = 18,825.40/x
  3. Step 3: Cross multiply
    53,885.74x = 80,828.77 × 18,825.40
  4. Step 4: Simplify right side
    53,885.74x = 1,521,633,926.76
  5. Step 5: Solve for x
    x = 1,521,633,926.76/53,885.74
  6. Step 6: Final answer
    x = 28,238.16

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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.