Home / 34,214.51-47,216.77-21,468.20

Finding the Fourth Proportional to 34,214.51, 47,216.77 and 21,468.20

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Solution

The fourth proportional to 34,214.51, 47,216.77 and 21,468.20 is: 29,626.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,214.51 : 47,216.77 = 21,468.20 : x
  2. Step 2: Convert to fraction form
    34,214.51/47,216.77 = 21,468.20/x
  3. Step 3: Cross multiply
    34,214.51x = 47,216.77 × 21,468.20
  4. Step 4: Simplify right side
    34,214.51x = 1,013,658,771.96
  5. Step 5: Solve for x
    x = 1,013,658,771.96/34,214.51
  6. Step 6: Final answer
    x = 29,626.57

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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.