Home / 37,420.52-51,639-22,305.38

Finding the Fourth Proportional to 37,420.52, 51,639 and 22,305.38

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Solution

The fourth proportional to 37,420.52, 51,639 and 22,305.38 is: 30,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,420.52 : 51,639 = 22,305.38 : x
  2. Step 2: Convert to fraction form
    37,420.52/51,639 = 22,305.38/x
  3. Step 3: Cross multiply
    37,420.52x = 51,639 × 22,305.38
  4. Step 4: Simplify right side
    37,420.52x = 1,151,827,259.63
  5. Step 5: Solve for x
    x = 1,151,827,259.63/37,420.52
  6. Step 6: Final answer
    x = 30,780.64

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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.