Home / 42,466.53-63,675.09-31,228.59

Finding the Fourth Proportional to 42,466.53, 63,675.09 and 31,228.59

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Solution

The fourth proportional to 42,466.53, 63,675.09 and 31,228.59 is: 46,824.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,466.53 : 63,675.09 = 31,228.59 : x
  2. Step 2: Convert to fraction form
    42,466.53/63,675.09 = 31,228.59/x
  3. Step 3: Cross multiply
    42,466.53x = 63,675.09 × 31,228.59
  4. Step 4: Simplify right side
    42,466.53x = 1,988,483,278.82
  5. Step 5: Solve for x
    x = 1,988,483,278.82/42,466.53
  6. Step 6: Final answer
    x = 46,824.72

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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.