Home / 38,019.80-52,465.20-21,023.08

Finding the Fourth Proportional to 38,019.80, 52,465.20 and 21,023.08

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Solution

The fourth proportional to 38,019.80, 52,465.20 and 21,023.08 is: 29,010.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,019.80 : 52,465.20 = 21,023.08 : x
  2. Step 2: Convert to fraction form
    38,019.80/52,465.20 = 21,023.08/x
  3. Step 3: Cross multiply
    38,019.80x = 52,465.20 × 21,023.08
  4. Step 4: Simplify right side
    38,019.80x = 1,102,980,096.82
  5. Step 5: Solve for x
    x = 1,102,980,096.82/38,019.80
  6. Step 6: Final answer
    x = 29,010.68

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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.