Home / 36,889.49-55,281.08-21,045.69

Finding the Fourth Proportional to 36,889.49, 55,281.08 and 21,045.69

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Solution

The fourth proportional to 36,889.49, 55,281.08 and 21,045.69 is: 31,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,889.49 : 55,281.08 = 21,045.69 : x
  2. Step 2: Convert to fraction form
    36,889.49/55,281.08 = 21,045.69/x
  3. Step 3: Cross multiply
    36,889.49x = 55,281.08 × 21,045.69
  4. Step 4: Simplify right side
    36,889.49x = 1,163,428,525.16
  5. Step 5: Solve for x
    x = 1,163,428,525.16/36,889.49
  6. Step 6: Final answer
    x = 31,538.21

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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.