Home / 61,875.75-92,782.26-30,238.52

Finding the Fourth Proportional to 61,875.75, 92,782.26 and 30,238.52

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Solution

The fourth proportional to 61,875.75, 92,782.26 and 30,238.52 is: 45,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,875.75 : 92,782.26 = 30,238.52 : x
  2. Step 2: Convert to fraction form
    61,875.75/92,782.26 = 30,238.52/x
  3. Step 3: Cross multiply
    61,875.75x = 92,782.26 × 30,238.52
  4. Step 4: Simplify right side
    61,875.75x = 2,805,597,760.74
  5. Step 5: Solve for x
    x = 2,805,597,760.74/61,875.75
  6. Step 6: Final answer
    x = 45,342.45

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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.