Home / 43,098.12-64,647.18-13,518.32

Finding the Fourth Proportional to 43,098.12, 64,647.18 and 13,518.32

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Solution

The fourth proportional to 43,098.12, 64,647.18 and 13,518.32 is: 20,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,098.12 : 64,647.18 = 13,518.32 : x
  2. Step 2: Convert to fraction form
    43,098.12/64,647.18 = 13,518.32/x
  3. Step 3: Cross multiply
    43,098.12x = 64,647.18 × 13,518.32
  4. Step 4: Simplify right side
    43,098.12x = 873,921,266.34
  5. Step 5: Solve for x
    x = 873,921,266.34/43,098.12
  6. Step 6: Final answer
    x = 20,277.48

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1.5x scale

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.