Home / 79,678.32-119,513.16-24,270

Finding the Fourth Proportional to 79,678.32, 119,513.16 and 24,270

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Solution

The fourth proportional to 79,678.32, 119,513.16 and 24,270 is: 36,403.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,678.32 : 119,513.16 = 24,270 : x
  2. Step 2: Convert to fraction form
    79,678.32/119,513.16 = 24,270/x
  3. Step 3: Cross multiply
    79,678.32x = 119,513.16 × 24,270
  4. Step 4: Simplify right side
    79,678.32x = 2,900,584,393.20
  5. Step 5: Solve for x
    x = 2,900,584,393.20/79,678.32
  6. Step 6: Final answer
    x = 36,403.68

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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.