Home / 36,219.84-49,970.88-20,302.08

Finding the Fourth Proportional to 36,219.84, 49,970.88 and 20,302.08

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Solution

The fourth proportional to 36,219.84, 49,970.88 and 20,302.08 is: 28,009.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,219.84 : 49,970.88 = 20,302.08 : x
  2. Step 2: Convert to fraction form
    36,219.84/49,970.88 = 20,302.08/x
  3. Step 3: Cross multiply
    36,219.84x = 49,970.88 × 20,302.08
  4. Step 4: Simplify right side
    36,219.84x = 1,014,512,803.43
  5. Step 5: Solve for x
    x = 1,014,512,803.43/36,219.84
  6. Step 6: Final answer
    x = 28,009.86

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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.