Home / 36,518.80-50,395.08-20,603.92

Finding the Fourth Proportional to 36,518.80, 50,395.08 and 20,603.92

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Solution

The fourth proportional to 36,518.80, 50,395.08 and 20,603.92 is: 28,432.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,518.80 : 50,395.08 = 20,603.92 : x
  2. Step 2: Convert to fraction form
    36,518.80/50,395.08 = 20,603.92/x
  3. Step 3: Cross multiply
    36,518.80x = 50,395.08 × 20,603.92
  4. Step 4: Simplify right side
    36,518.80x = 1,038,336,196.71
  5. Step 5: Solve for x
    x = 1,038,336,196.71/36,518.80
  6. Step 6: Final answer
    x = 28,432.92

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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.