Home / 30,224.22-45,320.67-13,569.91

Finding the Fourth Proportional to 30,224.22, 45,320.67 and 13,569.91

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Solution

The fourth proportional to 30,224.22, 45,320.67 and 13,569.91 is: 20,347.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,224.22 : 45,320.67 = 13,569.91 : x
  2. Step 2: Convert to fraction form
    30,224.22/45,320.67 = 13,569.91/x
  3. Step 3: Cross multiply
    30,224.22x = 45,320.67 × 13,569.91
  4. Step 4: Simplify right side
    30,224.22x = 614,997,413.04
  5. Step 5: Solve for x
    x = 614,997,413.04/30,224.22
  6. Step 6: Final answer
    x = 20,347.83

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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.