Home / 36,122.46-49,852.74-20,809.53

Finding the Fourth Proportional to 36,122.46, 49,852.74 and 20,809.53

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Solution

The fourth proportional to 36,122.46, 49,852.74 and 20,809.53 is: 28,719.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,122.46 : 49,852.74 = 20,809.53 : x
  2. Step 2: Convert to fraction form
    36,122.46/49,852.74 = 20,809.53/x
  3. Step 3: Cross multiply
    36,122.46x = 49,852.74 × 20,809.53
  4. Step 4: Simplify right side
    36,122.46x = 1,037,412,088.61
  5. Step 5: Solve for x
    x = 1,037,412,088.61/36,122.46
  6. Step 6: Final answer
    x = 28,719.31

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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.