Home / 37,910.25-52,316.15-21,143.25

Finding the Fourth Proportional to 37,910.25, 52,316.15 and 21,143.25

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Solution

The fourth proportional to 37,910.25, 52,316.15 and 21,143.25 is: 29,177.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,910.25 : 52,316.15 = 21,143.25 : x
  2. Step 2: Convert to fraction form
    37,910.25/52,316.15 = 21,143.25/x
  3. Step 3: Cross multiply
    37,910.25x = 52,316.15 × 21,143.25
  4. Step 4: Simplify right side
    37,910.25x = 1,106,133,332.77
  5. Step 5: Solve for x
    x = 1,106,133,332.77/37,910.25
  6. Step 6: Final answer
    x = 29,177.69

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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.