Home / 39,252.60-54,168.48-21,347.64

Finding the Fourth Proportional to 39,252.60, 54,168.48 and 21,347.64

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Solution

The fourth proportional to 39,252.60, 54,168.48 and 21,347.64 is: 29,459.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,252.60 : 54,168.48 = 21,347.64 : x
  2. Step 2: Convert to fraction form
    39,252.60/54,168.48 = 21,347.64/x
  3. Step 3: Cross multiply
    39,252.60x = 54,168.48 × 21,347.64
  4. Step 4: Simplify right side
    39,252.60x = 1,156,369,210.39
  5. Step 5: Solve for x
    x = 1,156,369,210.39/39,252.60
  6. Step 6: Final answer
    x = 29,459.68

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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.