Home / 56,258.95-84,338.76-21,223.21

Finding the Fourth Proportional to 56,258.95, 84,338.76 and 21,223.21

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Solution

The fourth proportional to 56,258.95, 84,338.76 and 21,223.21 is: 31,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,258.95 : 84,338.76 = 21,223.21 : x
  2. Step 2: Convert to fraction form
    56,258.95/84,338.76 = 21,223.21/x
  3. Step 3: Cross multiply
    56,258.95x = 84,338.76 × 21,223.21
  4. Step 4: Simplify right side
    56,258.95x = 1,789,939,214.62
  5. Step 5: Solve for x
    x = 1,789,939,214.62/56,258.95
  6. Step 6: Final answer
    x = 31,816.08

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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.