Home / 50,981.29-70,365.44-28,328.07

Finding the Fourth Proportional to 50,981.29, 70,365.44 and 28,328.07

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Solution

The fourth proportional to 50,981.29, 70,365.44 and 28,328.07 is: 39,098.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,981.29 : 70,365.44 = 28,328.07 : x
  2. Step 2: Convert to fraction form
    50,981.29/70,365.44 = 28,328.07/x
  3. Step 3: Cross multiply
    50,981.29x = 70,365.44 × 28,328.07
  4. Step 4: Simplify right side
    50,981.29x = 1,993,317,109.90
  5. Step 5: Solve for x
    x = 1,993,317,109.90/50,981.29
  6. Step 6: Final answer
    x = 39,098.99

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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.