Home / 37,218.29-51,362.19-21,307.86

Finding the Fourth Proportional to 37,218.29, 51,362.19 and 21,307.86

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Solution

The fourth proportional to 37,218.29, 51,362.19 and 21,307.86 is: 29,405.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,218.29 : 51,362.19 = 21,307.86 : x
  2. Step 2: Convert to fraction form
    37,218.29/51,362.19 = 21,307.86/x
  3. Step 3: Cross multiply
    37,218.29x = 51,362.19 × 21,307.86
  4. Step 4: Simplify right side
    37,218.29x = 1,094,418,353.81
  5. Step 5: Solve for x
    x = 1,094,418,353.81/37,218.29
  6. Step 6: Final answer
    x = 29,405.39

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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.