Home / 36,148.96-54,239.94-21,386.80

Finding the Fourth Proportional to 36,148.96, 54,239.94 and 21,386.80

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Solution

The fourth proportional to 36,148.96, 54,239.94 and 21,386.80 is: 32,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,148.96 : 54,239.94 = 21,386.80 : x
  2. Step 2: Convert to fraction form
    36,148.96/54,239.94 = 21,386.80/x
  3. Step 3: Cross multiply
    36,148.96x = 54,239.94 × 21,386.80
  4. Step 4: Simplify right side
    36,148.96x = 1,160,018,748.79
  5. Step 5: Solve for x
    x = 1,160,018,748.79/36,148.96
  6. Step 6: Final answer
    x = 32,089.96

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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.