Home / 37,139.64-51,252.69-20,372.64

Finding the Fourth Proportional to 37,139.64, 51,252.69 and 20,372.64

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Solution

The fourth proportional to 37,139.64, 51,252.69 and 20,372.64 is: 28,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,139.64 : 51,252.69 = 20,372.64 : x
  2. Step 2: Convert to fraction form
    37,139.64/51,252.69 = 20,372.64/x
  3. Step 3: Cross multiply
    37,139.64x = 51,252.69 × 20,372.64
  4. Step 4: Simplify right side
    37,139.64x = 1,044,152,602.40
  5. Step 5: Solve for x
    x = 1,044,152,602.40/37,139.64
  6. Step 6: Final answer
    x = 28,114.24

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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.