Home / 36,889-55,280.32-21,045.19

Finding the Fourth Proportional to 36,889, 55,280.32 and 21,045.19

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Solution

The fourth proportional to 36,889, 55,280.32 and 21,045.19 is: 31,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,889 : 55,280.32 = 21,045.19 : x
  2. Step 2: Convert to fraction form
    36,889/55,280.32 = 21,045.19/x
  3. Step 3: Cross multiply
    36,889x = 55,280.32 × 21,045.19
  4. Step 4: Simplify right side
    36,889x = 1,163,384,837.66
  5. Step 5: Solve for x
    x = 1,163,384,837.66/36,889
  6. Step 6: Final answer
    x = 31,537.45

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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.