Home / 51,030.57-76,528.83-21,442.89

Finding the Fourth Proportional to 51,030.57, 76,528.83 and 21,442.89

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Solution

The fourth proportional to 51,030.57, 76,528.83 and 21,442.89 is: 32,157.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,030.57 : 76,528.83 = 21,442.89 : x
  2. Step 2: Convert to fraction form
    51,030.57/76,528.83 = 21,442.89/x
  3. Step 3: Cross multiply
    51,030.57x = 76,528.83 × 21,442.89
  4. Step 4: Simplify right side
    51,030.57x = 1,640,999,283.52
  5. Step 5: Solve for x
    x = 1,640,999,283.52/51,030.57
  6. Step 6: Final answer
    x = 32,157.18

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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.