Home / 78,384.34-117,576.32-22,224.49

Finding the Fourth Proportional to 78,384.34, 117,576.32 and 22,224.49

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Solution

The fourth proportional to 78,384.34, 117,576.32 and 22,224.49 is: 33,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,384.34 : 117,576.32 = 22,224.49 : x
  2. Step 2: Convert to fraction form
    78,384.34/117,576.32 = 22,224.49/x
  3. Step 3: Cross multiply
    78,384.34x = 117,576.32 × 22,224.49
  4. Step 4: Simplify right side
    78,384.34x = 2,613,073,885.79
  5. Step 5: Solve for x
    x = 2,613,073,885.79/78,384.34
  6. Step 6: Final answer
    x = 33,336.68

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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.