Home / 40,478.96-60,681.68-14,169.35

Finding the Fourth Proportional to 40,478.96, 60,681.68 and 14,169.35

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Solution

The fourth proportional to 40,478.96, 60,681.68 and 14,169.35 is: 21,241.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478.96 : 60,681.68 = 14,169.35 : x
  2. Step 2: Convert to fraction form
    40,478.96/60,681.68 = 14,169.35/x
  3. Step 3: Cross multiply
    40,478.96x = 60,681.68 × 14,169.35
  4. Step 4: Simplify right side
    40,478.96x = 859,819,588.25
  5. Step 5: Solve for x
    x = 859,819,588.25/40,478.96
  6. Step 6: Final answer
    x = 21,241.15

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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.