Home / 37,235.72-51,385.81-20,240.30

Finding the Fourth Proportional to 37,235.72, 51,385.81 and 20,240.30

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Solution

The fourth proportional to 37,235.72, 51,385.81 and 20,240.30 is: 27,931.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,235.72 : 51,385.81 = 20,240.30 : x
  2. Step 2: Convert to fraction form
    37,235.72/51,385.81 = 20,240.30/x
  3. Step 3: Cross multiply
    37,235.72x = 51,385.81 × 20,240.30
  4. Step 4: Simplify right side
    37,235.72x = 1,040,064,210.14
  5. Step 5: Solve for x
    x = 1,040,064,210.14/37,235.72
  6. Step 6: Final answer
    x = 27,931.89

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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.