Home / 29,778.16-44,667.20-14,148.40

Finding the Fourth Proportional to 29,778.16, 44,667.20 and 14,148.40

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Solution

The fourth proportional to 29,778.16, 44,667.20 and 14,148.40 is: 21,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,778.16 : 44,667.20 = 14,148.40 : x
  2. Step 2: Convert to fraction form
    29,778.16/44,667.20 = 14,148.40/x
  3. Step 3: Cross multiply
    29,778.16x = 44,667.20 × 14,148.40
  4. Step 4: Simplify right side
    29,778.16x = 631,969,412.48
  5. Step 5: Solve for x
    x = 631,969,412.48/29,778.16
  6. Step 6: Final answer
    x = 21,222.58

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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.