Home / 36,106.02-54,141.93-21,117.47

Finding the Fourth Proportional to 36,106.02, 54,141.93 and 21,117.47

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Solution

The fourth proportional to 36,106.02, 54,141.93 and 21,117.47 is: 31,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,106.02 : 54,141.93 = 21,117.47 : x
  2. Step 2: Convert to fraction form
    36,106.02/54,141.93 = 21,117.47/x
  3. Step 3: Cross multiply
    36,106.02x = 54,141.93 × 21,117.47
  4. Step 4: Simplify right side
    36,106.02x = 1,143,340,311.81
  5. Step 5: Solve for x
    x = 1,143,340,311.81/36,106.02
  6. Step 6: Final answer
    x = 31,666.20

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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.