Home / 39,366.40-54,325.04-21,462.16

Finding the Fourth Proportional to 39,366.40, 54,325.04 and 21,462.16

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Solution

The fourth proportional to 39,366.40, 54,325.04 and 21,462.16 is: 29,617.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366.40 : 54,325.04 = 21,462.16 : x
  2. Step 2: Convert to fraction form
    39,366.40/54,325.04 = 21,462.16/x
  3. Step 3: Cross multiply
    39,366.40x = 54,325.04 × 21,462.16
  4. Step 4: Simplify right side
    39,366.40x = 1,165,932,700.49
  5. Step 5: Solve for x
    x = 1,165,932,700.49/39,366.40
  6. Step 6: Final answer
    x = 29,617.46

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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.