Home / 50,677.77-69,929.28-28,013.70

Finding the Fourth Proportional to 50,677.77, 69,929.28 and 28,013.70

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Solution

The fourth proportional to 50,677.77, 69,929.28 and 28,013.70 is: 38,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,677.77 : 69,929.28 = 28,013.70 : x
  2. Step 2: Convert to fraction form
    50,677.77/69,929.28 = 28,013.70/x
  3. Step 3: Cross multiply
    50,677.77x = 69,929.28 × 28,013.70
  4. Step 4: Simplify right side
    50,677.77x = 1,958,977,871.14
  5. Step 5: Solve for x
    x = 1,958,977,871.14/50,677.77
  6. Step 6: Final answer
    x = 38,655.57

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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.