Home / 50,989.50-70,360.65-28,325.70

Finding the Fourth Proportional to 50,989.50, 70,360.65 and 28,325.70

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Solution

The fourth proportional to 50,989.50, 70,360.65 and 28,325.70 is: 39,086.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,989.50 : 70,360.65 = 28,325.70 : x
  2. Step 2: Convert to fraction form
    50,989.50/70,360.65 = 28,325.70/x
  3. Step 3: Cross multiply
    50,989.50x = 70,360.65 × 28,325.70
  4. Step 4: Simplify right side
    50,989.50x = 1,993,014,663.71
  5. Step 5: Solve for x
    x = 1,993,014,663.71/50,989.50
  6. Step 6: Final answer
    x = 39,086.77

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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.