Home / 52,181.69-72,008.79-28,307.86

Finding the Fourth Proportional to 52,181.69, 72,008.79 and 28,307.86

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Solution

The fourth proportional to 52,181.69, 72,008.79 and 28,307.86 is: 39,063.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,181.69 : 72,008.79 = 28,307.86 : x
  2. Step 2: Convert to fraction form
    52,181.69/72,008.79 = 28,307.86/x
  3. Step 3: Cross multiply
    52,181.69x = 72,008.79 × 28,307.86
  4. Step 4: Simplify right side
    52,181.69x = 2,038,414,746.09
  5. Step 5: Solve for x
    x = 2,038,414,746.09/52,181.69
  6. Step 6: Final answer
    x = 39,063.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.