Home / 36,157.51-49,902.34-21,818.08

Finding the Fourth Proportional to 36,157.51, 49,902.34 and 21,818.08

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Solution

The fourth proportional to 36,157.51, 49,902.34 and 21,818.08 is: 30,111.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,157.51 : 49,902.34 = 21,818.08 : x
  2. Step 2: Convert to fraction form
    36,157.51/49,902.34 = 21,818.08/x
  3. Step 3: Cross multiply
    36,157.51x = 49,902.34 × 21,818.08
  4. Step 4: Simplify right side
    36,157.51x = 1,088,772,996.80
  5. Step 5: Solve for x
    x = 1,088,772,996.80/36,157.51
  6. Step 6: Final answer
    x = 30,111.95

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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.