Home / 37,368.78-51,568.89-21,454.20

Finding the Fourth Proportional to 37,368.78, 51,568.89 and 21,454.20

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Solution

The fourth proportional to 37,368.78, 51,568.89 and 21,454.20 is: 29,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,368.78 : 51,568.89 = 21,454.20 : x
  2. Step 2: Convert to fraction form
    37,368.78/51,568.89 = 21,454.20/x
  3. Step 3: Cross multiply
    37,368.78x = 51,568.89 × 21,454.20
  4. Step 4: Simplify right side
    37,368.78x = 1,106,369,279.84
  5. Step 5: Solve for x
    x = 1,106,369,279.84/37,368.78
  6. Step 6: Final answer
    x = 29,606.78

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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.