Home / 42,789.54-64,191.96-14,702.34

Finding the Fourth Proportional to 42,789.54, 64,191.96 and 14,702.34

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Solution

The fourth proportional to 42,789.54, 64,191.96 and 14,702.34 is: 22,056.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,789.54 : 64,191.96 = 14,702.34 : x
  2. Step 2: Convert to fraction form
    42,789.54/64,191.96 = 14,702.34/x
  3. Step 3: Cross multiply
    42,789.54x = 64,191.96 × 14,702.34
  4. Step 4: Simplify right side
    42,789.54x = 943,772,021.19
  5. Step 5: Solve for x
    x = 943,772,021.19/42,789.54
  6. Step 6: Final answer
    x = 22,056.14

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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.