Home / 38,200.55-52,715.93-21,203.79

Finding the Fourth Proportional to 38,200.55, 52,715.93 and 21,203.79

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Solution

The fourth proportional to 38,200.55, 52,715.93 and 21,203.79 is: 29,260.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,200.55 : 52,715.93 = 21,203.79 : x
  2. Step 2: Convert to fraction form
    38,200.55/52,715.93 = 21,203.79/x
  3. Step 3: Cross multiply
    38,200.55x = 52,715.93 × 21,203.79
  4. Step 4: Simplify right side
    38,200.55x = 1,117,777,403.36
  5. Step 5: Solve for x
    x = 1,117,777,403.36/38,200.55
  6. Step 6: Final answer
    x = 29,260.77

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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.