Home / 79,284.30-118,925.91-19,312.07

Finding the Fourth Proportional to 79,284.30, 118,925.91 and 19,312.07

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Solution

The fourth proportional to 79,284.30, 118,925.91 and 19,312.07 is: 28,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,284.30 : 118,925.91 = 19,312.07 : x
  2. Step 2: Convert to fraction form
    79,284.30/118,925.91 = 19,312.07/x
  3. Step 3: Cross multiply
    79,284.30x = 118,925.91 × 19,312.07
  4. Step 4: Simplify right side
    79,284.30x = 2,296,704,904.10
  5. Step 5: Solve for x
    x = 2,296,704,904.10/79,284.30
  6. Step 6: Final answer
    x = 28,967.97

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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.