Home / 61,451.03-92,231.49-31,485.71

Finding the Fourth Proportional to 61,451.03, 92,231.49 and 31,485.71

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Solution

The fourth proportional to 61,451.03, 92,231.49 and 31,485.71 is: 47,256.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,451.03 : 92,231.49 = 31,485.71 : x
  2. Step 2: Convert to fraction form
    61,451.03/92,231.49 = 31,485.71/x
  3. Step 3: Cross multiply
    61,451.03x = 92,231.49 × 31,485.71
  4. Step 4: Simplify right side
    61,451.03x = 2,903,973,947.01
  5. Step 5: Solve for x
    x = 2,903,973,947.01/61,451.03
  6. Step 6: Final answer
    x = 47,256.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.