Home / 20,679.18-31,018.04-5,888.18

Finding the Fourth Proportional to 20,679.18, 31,018.04 and 5,888.18

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Solution

The fourth proportional to 20,679.18, 31,018.04 and 5,888.18 is: 8,832.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,679.18 : 31,018.04 = 5,888.18 : x
  2. Step 2: Convert to fraction form
    20,679.18/31,018.04 = 5,888.18/x
  3. Step 3: Cross multiply
    20,679.18x = 31,018.04 × 5,888.18
  4. Step 4: Simplify right side
    20,679.18x = 182,639,802.77
  5. Step 5: Solve for x
    x = 182,639,802.77/20,679.18
  6. Step 6: Final answer
    x = 8,832.06

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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.