Home / 56,828.41-85,267.19-30,502.39

Finding the Fourth Proportional to 56,828.41, 85,267.19 and 30,502.39

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Solution

The fourth proportional to 56,828.41, 85,267.19 and 30,502.39 is: 45,766.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,828.41 : 85,267.19 = 30,502.39 : x
  2. Step 2: Convert to fraction form
    56,828.41/85,267.19 = 30,502.39/x
  3. Step 3: Cross multiply
    56,828.41x = 85,267.19 × 30,502.39
  4. Step 4: Simplify right side
    56,828.41x = 2,600,852,931.07
  5. Step 5: Solve for x
    x = 2,600,852,931.07/56,828.41
  6. Step 6: Final answer
    x = 45,766.78

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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.