Home / 61,688.72-92,533.84-21,708.90

Finding the Fourth Proportional to 61,688.72, 92,533.84 and 21,708.90

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Solution

The fourth proportional to 61,688.72, 92,533.84 and 21,708.90 is: 32,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,688.72 : 92,533.84 = 21,708.90 : x
  2. Step 2: Convert to fraction form
    61,688.72/92,533.84 = 21,708.90/x
  3. Step 3: Cross multiply
    61,688.72x = 92,533.84 × 21,708.90
  4. Step 4: Simplify right side
    61,688.72x = 2,008,807,879.18
  5. Step 5: Solve for x
    x = 2,008,807,879.18/61,688.72
  6. Step 6: Final answer
    x = 32,563.62

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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.