Home / 57,315.77-85,979.12-22,258.16

Finding the Fourth Proportional to 57,315.77, 85,979.12 and 22,258.16

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Solution

The fourth proportional to 57,315.77, 85,979.12 and 22,258.16 is: 33,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,315.77 : 85,979.12 = 22,258.16 : x
  2. Step 2: Convert to fraction form
    57,315.77/85,979.12 = 22,258.16/x
  3. Step 3: Cross multiply
    57,315.77x = 85,979.12 × 22,258.16
  4. Step 4: Simplify right side
    57,315.77x = 1,913,737,009.62
  5. Step 5: Solve for x
    x = 1,913,737,009.62/57,315.77
  6. Step 6: Final answer
    x = 33,389.36

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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.