Home / 36,000.88-49,681.06-20,085.31

Finding the Fourth Proportional to 36,000.88, 49,681.06 and 20,085.31

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Solution

The fourth proportional to 36,000.88, 49,681.06 and 20,085.31 is: 27,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,000.88 : 49,681.06 = 20,085.31 : x
  2. Step 2: Convert to fraction form
    36,000.88/49,681.06 = 20,085.31/x
  3. Step 3: Cross multiply
    36,000.88x = 49,681.06 × 20,085.31
  4. Step 4: Simplify right side
    36,000.88x = 997,859,491.23
  5. Step 5: Solve for x
    x = 997,859,491.23/36,000.88
  6. Step 6: Final answer
    x = 27,717.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.