Home / 43,214.04-64,821.06-13,634.87

Finding the Fourth Proportional to 43,214.04, 64,821.06 and 13,634.87

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Solution

The fourth proportional to 43,214.04, 64,821.06 and 13,634.87 is: 20,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,214.04 : 64,821.06 = 13,634.87 : x
  2. Step 2: Convert to fraction form
    43,214.04/64,821.06 = 13,634.87/x
  3. Step 3: Cross multiply
    43,214.04x = 64,821.06 × 13,634.87
  4. Step 4: Simplify right side
    43,214.04x = 883,826,402.26
  5. Step 5: Solve for x
    x = 883,826,402.26/43,214.04
  6. Step 6: Final answer
    x = 20,452.30

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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.