Home / 57,222-78,966.36-32,071.68

Finding the Fourth Proportional to 57,222, 78,966.36 and 32,071.68

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Solution

The fourth proportional to 57,222, 78,966.36 and 32,071.68 is: 44,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,222 : 78,966.36 = 32,071.68 : x
  2. Step 2: Convert to fraction form
    57,222/78,966.36 = 32,071.68/x
  3. Step 3: Cross multiply
    57,222x = 78,966.36 × 32,071.68
  4. Step 4: Simplify right side
    57,222x = 2,532,583,828.68
  5. Step 5: Solve for x
    x = 2,532,583,828.68/57,222
  6. Step 6: Final answer
    x = 44,258.92

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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.