Home / 36,888.93-55,314.18-13,187.34

Finding the Fourth Proportional to 36,888.93, 55,314.18 and 13,187.34

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Solution

The fourth proportional to 36,888.93, 55,314.18 and 13,187.34 is: 19,774.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,888.93 : 55,314.18 = 13,187.34 : x
  2. Step 2: Convert to fraction form
    36,888.93/55,314.18 = 13,187.34/x
  3. Step 3: Cross multiply
    36,888.93x = 55,314.18 × 13,187.34
  4. Step 4: Simplify right side
    36,888.93x = 729,446,898.48
  5. Step 5: Solve for x
    x = 729,446,898.48/36,888.93
  6. Step 6: Final answer
    x = 19,774.14

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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.