Home / 37,154.40-51,271.94-21,238.05

Finding the Fourth Proportional to 37,154.40, 51,271.94 and 21,238.05

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Solution

The fourth proportional to 37,154.40, 51,271.94 and 21,238.05 is: 29,307.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,154.40 : 51,271.94 = 21,238.05 : x
  2. Step 2: Convert to fraction form
    37,154.40/51,271.94 = 21,238.05/x
  3. Step 3: Cross multiply
    37,154.40x = 51,271.94 × 21,238.05
  4. Step 4: Simplify right side
    37,154.40x = 1,088,915,862.81
  5. Step 5: Solve for x
    x = 1,088,915,862.81/37,154.40
  6. Step 6: Final answer
    x = 29,307.86

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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.