Home / 36,035.28-54,055.80-12,666.96

Finding the Fourth Proportional to 36,035.28, 54,055.80 and 12,666.96

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Solution

The fourth proportional to 36,035.28, 54,055.80 and 12,666.96 is: 19,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,035.28 : 54,055.80 = 12,666.96 : x
  2. Step 2: Convert to fraction form
    36,035.28/54,055.80 = 12,666.96/x
  3. Step 3: Cross multiply
    36,035.28x = 54,055.80 × 12,666.96
  4. Step 4: Simplify right side
    36,035.28x = 684,722,656.37
  5. Step 5: Solve for x
    x = 684,722,656.37/36,035.28
  6. Step 6: Final answer
    x = 19,001.45

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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.