Home / 52,829.63-79,244.32-13,386.63

Finding the Fourth Proportional to 52,829.63, 79,244.32 and 13,386.63

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Solution

The fourth proportional to 52,829.63, 79,244.32 and 13,386.63 is: 20,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,829.63 : 79,244.32 = 13,386.63 : x
  2. Step 2: Convert to fraction form
    52,829.63/79,244.32 = 13,386.63/x
  3. Step 3: Cross multiply
    52,829.63x = 79,244.32 × 13,386.63
  4. Step 4: Simplify right side
    52,829.63x = 1,060,814,391.44
  5. Step 5: Solve for x
    x = 1,060,814,391.44/52,829.63
  6. Step 6: Final answer
    x = 20,079.91

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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.