Home / 61,217.79-91,826.55-21,776.46

Finding the Fourth Proportional to 61,217.79, 91,826.55 and 21,776.46

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Solution

The fourth proportional to 61,217.79, 91,826.55 and 21,776.46 is: 32,664.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,217.79 : 91,826.55 = 21,776.46 : x
  2. Step 2: Convert to fraction form
    61,217.79/91,826.55 = 21,776.46/x
  3. Step 3: Cross multiply
    61,217.79x = 91,826.55 × 21,776.46
  4. Step 4: Simplify right side
    61,217.79x = 1,999,657,193.01
  5. Step 5: Solve for x
    x = 1,999,657,193.01/61,217.79
  6. Step 6: Final answer
    x = 32,664.64

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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.