Home / 50,489.07-69,663.69-28,977.50

Finding the Fourth Proportional to 50,489.07, 69,663.69 and 28,977.50

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Solution

The fourth proportional to 50,489.07, 69,663.69 and 28,977.50 is: 39,982.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,489.07 : 69,663.69 = 28,977.50 : x
  2. Step 2: Convert to fraction form
    50,489.07/69,663.69 = 28,977.50/x
  3. Step 3: Cross multiply
    50,489.07x = 69,663.69 × 28,977.50
  4. Step 4: Simplify right side
    50,489.07x = 2,018,679,228.66
  5. Step 5: Solve for x
    x = 2,018,679,228.66/50,489.07
  6. Step 6: Final answer
    x = 39,982.50

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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.