Home / 61,014.12-91,465.12-21,023.58

Finding the Fourth Proportional to 61,014.12, 91,465.12 and 21,023.58

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Solution

The fourth proportional to 61,014.12, 91,465.12 and 21,023.58 is: 31,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,014.12 : 91,465.12 = 21,023.58 : x
  2. Step 2: Convert to fraction form
    61,014.12/91,465.12 = 21,023.58/x
  3. Step 3: Cross multiply
    61,014.12x = 91,465.12 × 21,023.58
  4. Step 4: Simplify right side
    61,014.12x = 1,922,924,267.53
  5. Step 5: Solve for x
    x = 1,922,924,267.53/61,014.12
  6. Step 6: Final answer
    x = 31,516.05

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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.