Home / 43,290.48-64,886.55-18,314.94

Finding the Fourth Proportional to 43,290.48, 64,886.55 and 18,314.94

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Solution

The fourth proportional to 43,290.48, 64,886.55 and 18,314.94 is: 27,451.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,290.48 : 64,886.55 = 18,314.94 : x
  2. Step 2: Convert to fraction form
    43,290.48/64,886.55 = 18,314.94/x
  3. Step 3: Cross multiply
    43,290.48x = 64,886.55 × 18,314.94
  4. Step 4: Simplify right side
    43,290.48x = 1,188,393,270.06
  5. Step 5: Solve for x
    x = 1,188,393,270.06/43,290.48
  6. Step 6: Final answer
    x = 27,451.61

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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.