Home / 36,981.30-55,468.80-15,920.50

Finding the Fourth Proportional to 36,981.30, 55,468.80 and 15,920.50

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Solution

The fourth proportional to 36,981.30, 55,468.80 and 15,920.50 is: 23,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,981.30 : 55,468.80 = 15,920.50 : x
  2. Step 2: Convert to fraction form
    36,981.30/55,468.80 = 15,920.50/x
  3. Step 3: Cross multiply
    36,981.30x = 55,468.80 × 15,920.50
  4. Step 4: Simplify right side
    36,981.30x = 883,091,030.40
  5. Step 5: Solve for x
    x = 883,091,030.40/36,981.30
  6. Step 6: Final answer
    x = 23,879.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.