Home / 39,366.32-54,325.01-21,461.29

Finding the Fourth Proportional to 39,366.32, 54,325.01 and 21,461.29

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Solution

The fourth proportional to 39,366.32, 54,325.01 and 21,461.29 is: 29,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366.32 : 54,325.01 = 21,461.29 : x
  2. Step 2: Convert to fraction form
    39,366.32/54,325.01 = 21,461.29/x
  3. Step 3: Cross multiply
    39,366.32x = 54,325.01 × 21,461.29
  4. Step 4: Simplify right side
    39,366.32x = 1,165,884,711.70
  5. Step 5: Solve for x
    x = 1,165,884,711.70/39,366.32
  6. Step 6: Final answer
    x = 29,616.30

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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.