Home / 36,972.89-51,047.23-21,870.41

Finding the Fourth Proportional to 36,972.89, 51,047.23 and 21,870.41

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Solution

The fourth proportional to 36,972.89, 51,047.23 and 21,870.41 is: 30,195.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,972.89 : 51,047.23 = 21,870.41 : x
  2. Step 2: Convert to fraction form
    36,972.89/51,047.23 = 21,870.41/x
  3. Step 3: Cross multiply
    36,972.89x = 51,047.23 × 21,870.41
  4. Step 4: Simplify right side
    36,972.89x = 1,116,423,849.46
  5. Step 5: Solve for x
    x = 1,116,423,849.46/36,972.89
  6. Step 6: Final answer
    x = 30,195.74

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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.