Home / 38,500.68-53,130.78-21,733.56

Finding the Fourth Proportional to 38,500.68, 53,130.78 and 21,733.56

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Solution

The fourth proportional to 38,500.68, 53,130.78 and 21,733.56 is: 29,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,500.68 : 53,130.78 = 21,733.56 : x
  2. Step 2: Convert to fraction form
    38,500.68/53,130.78 = 21,733.56/x
  3. Step 3: Cross multiply
    38,500.68x = 53,130.78 × 21,733.56
  4. Step 4: Simplify right side
    38,500.68x = 1,154,720,994.98
  5. Step 5: Solve for x
    x = 1,154,720,994.98/38,500.68
  6. Step 6: Final answer
    x = 29,992.22

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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.