Home / 53,647.17-80,470.74-28,611.37

Finding the Fourth Proportional to 53,647.17, 80,470.74 and 28,611.37

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Solution

The fourth proportional to 53,647.17, 80,470.74 and 28,611.37 is: 42,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,647.17 : 80,470.74 = 28,611.37 : x
  2. Step 2: Convert to fraction form
    53,647.17/80,470.74 = 28,611.37/x
  3. Step 3: Cross multiply
    53,647.17x = 80,470.74 × 28,611.37
  4. Step 4: Simplify right side
    53,647.17x = 2,302,378,116.31
  5. Step 5: Solve for x
    x = 2,302,378,116.31/53,647.17
  6. Step 6: Final answer
    x = 42,917.05

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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.