Home / 39,252.04-54,168.21-21,347.45

Finding the Fourth Proportional to 39,252.04, 54,168.21 and 21,347.45

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Solution

The fourth proportional to 39,252.04, 54,168.21 and 21,347.45 is: 29,459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,252.04 : 54,168.21 = 21,347.45 : x
  2. Step 2: Convert to fraction form
    39,252.04/54,168.21 = 21,347.45/x
  3. Step 3: Cross multiply
    39,252.04x = 54,168.21 × 21,347.45
  4. Step 4: Simplify right side
    39,252.04x = 1,156,353,154.56
  5. Step 5: Solve for x
    x = 1,156,353,154.56/39,252.04
  6. Step 6: Final answer
    x = 29,459.70

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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.