Home / 39,878.91-59,814.69-12,176.91

Finding the Fourth Proportional to 39,878.91, 59,814.69 and 12,176.91

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Solution

The fourth proportional to 39,878.91, 59,814.69 and 12,176.91 is: 18,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,878.91 : 59,814.69 = 12,176.91 : x
  2. Step 2: Convert to fraction form
    39,878.91/59,814.69 = 12,176.91/x
  3. Step 3: Cross multiply
    39,878.91x = 59,814.69 × 12,176.91
  4. Step 4: Simplify right side
    39,878.91x = 728,358,096.81
  5. Step 5: Solve for x
    x = 728,358,096.81/39,878.91
  6. Step 6: Final answer
    x = 18,264.24

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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.