Home / 53,775.58-80,552.40-31,521.38

Finding the Fourth Proportional to 53,775.58, 80,552.40 and 31,521.38

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Solution

The fourth proportional to 53,775.58, 80,552.40 and 31,521.38 is: 47,217.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,775.58 : 80,552.40 = 31,521.38 : x
  2. Step 2: Convert to fraction form
    53,775.58/80,552.40 = 31,521.38/x
  3. Step 3: Cross multiply
    53,775.58x = 80,552.40 × 31,521.38
  4. Step 4: Simplify right side
    53,775.58x = 2,539,122,810.31
  5. Step 5: Solve for x
    x = 2,539,122,810.31/53,775.58
  6. Step 6: Final answer
    x = 47,217.02

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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.