Home / 24,123.80-36,185.70-21,207.80

Finding the Fourth Proportional to 24,123.80, 36,185.70 and 21,207.80

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Solution

The fourth proportional to 24,123.80, 36,185.70 and 21,207.80 is: 31,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,123.80 : 36,185.70 = 21,207.80 : x
  2. Step 2: Convert to fraction form
    24,123.80/36,185.70 = 21,207.80/x
  3. Step 3: Cross multiply
    24,123.80x = 36,185.70 × 21,207.80
  4. Step 4: Simplify right side
    24,123.80x = 767,419,088.46
  5. Step 5: Solve for x
    x = 767,419,088.46/24,123.80
  6. Step 6: Final answer
    x = 31,811.70

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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.