Home / 29,364.54-40,506.12-18,742.20

Finding the Fourth Proportional to 29,364.54, 40,506.12 and 18,742.20

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Solution

The fourth proportional to 29,364.54, 40,506.12 and 18,742.20 is: 25,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,364.54 : 40,506.12 = 18,742.20 : x
  2. Step 2: Convert to fraction form
    29,364.54/40,506.12 = 18,742.20/x
  3. Step 3: Cross multiply
    29,364.54x = 40,506.12 × 18,742.20
  4. Step 4: Simplify right side
    29,364.54x = 759,173,802.26
  5. Step 5: Solve for x
    x = 759,173,802.26/29,364.54
  6. Step 6: Final answer
    x = 25,853.42

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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.