Home / 43,188.48-64,777.56-15,106.38

Finding the Fourth Proportional to 43,188.48, 64,777.56 and 15,106.38

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Solution

The fourth proportional to 43,188.48, 64,777.56 and 15,106.38 is: 22,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,188.48 : 64,777.56 = 15,106.38 : x
  2. Step 2: Convert to fraction form
    43,188.48/64,777.56 = 15,106.38/x
  3. Step 3: Cross multiply
    43,188.48x = 64,777.56 × 15,106.38
  4. Step 4: Simplify right side
    43,188.48x = 978,554,436.83
  5. Step 5: Solve for x
    x = 978,554,436.83/43,188.48
  6. Step 6: Final answer
    x = 22,657.77

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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.