Home / 53,518.60-80,290.05-31,320.55

Finding the Fourth Proportional to 53,518.60, 80,290.05 and 31,320.55

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Solution

The fourth proportional to 53,518.60, 80,290.05 and 31,320.55 is: 46,987.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,518.60 : 80,290.05 = 31,320.55 : x
  2. Step 2: Convert to fraction form
    53,518.60/80,290.05 = 31,320.55/x
  3. Step 3: Cross multiply
    53,518.60x = 80,290.05 × 31,320.55
  4. Step 4: Simplify right side
    53,518.60x = 2,514,728,525.53
  5. Step 5: Solve for x
    x = 2,514,728,525.53/53,518.60
  6. Step 6: Final answer
    x = 46,987.94

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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.