Home / 53,803.15-80,701.62-20,526.58

Finding the Fourth Proportional to 53,803.15, 80,701.62 and 20,526.58

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Solution

The fourth proportional to 53,803.15, 80,701.62 and 20,526.58 is: 30,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,803.15 : 80,701.62 = 20,526.58 : x
  2. Step 2: Convert to fraction form
    53,803.15/80,701.62 = 20,526.58/x
  3. Step 3: Cross multiply
    53,803.15x = 80,701.62 × 20,526.58
  4. Step 4: Simplify right side
    53,803.15x = 1,656,528,282.96
  5. Step 5: Solve for x
    x = 1,656,528,282.96/53,803.15
  6. Step 6: Final answer
    x = 30,788.68

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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.