Home / 79,934.32-119,814.84-39,436

Finding the Fourth Proportional to 79,934.32, 119,814.84 and 39,436

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Solution

The fourth proportional to 79,934.32, 119,814.84 and 39,436 is: 59,111.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,934.32 : 119,814.84 = 39,436 : x
  2. Step 2: Convert to fraction form
    79,934.32/119,814.84 = 39,436/x
  3. Step 3: Cross multiply
    79,934.32x = 119,814.84 × 39,436
  4. Step 4: Simplify right side
    79,934.32x = 4,725,018,030.24
  5. Step 5: Solve for x
    x = 4,725,018,030.24/79,934.32
  6. Step 6: Final answer
    x = 59,111.26

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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.