Home / 38,178.42-52,686.27-21,410.34

Finding the Fourth Proportional to 38,178.42, 52,686.27 and 21,410.34

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Solution

The fourth proportional to 38,178.42, 52,686.27 and 21,410.34 is: 29,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178.42 : 52,686.27 = 21,410.34 : x
  2. Step 2: Convert to fraction form
    38,178.42/52,686.27 = 21,410.34/x
  3. Step 3: Cross multiply
    38,178.42x = 52,686.27 × 21,410.34
  4. Step 4: Simplify right side
    38,178.42x = 1,128,030,954.03
  5. Step 5: Solve for x
    x = 1,128,030,954.03/38,178.42
  6. Step 6: Final answer
    x = 29,546.30

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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.