Home / 38,019.10-52,465.42-21,022.90

Finding the Fourth Proportional to 38,019.10, 52,465.42 and 21,022.90

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Solution

The fourth proportional to 38,019.10, 52,465.42 and 21,022.90 is: 29,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,019.10 : 52,465.42 = 21,022.90 : x
  2. Step 2: Convert to fraction form
    38,019.10/52,465.42 = 21,022.90/x
  3. Step 3: Cross multiply
    38,019.10x = 52,465.42 × 21,022.90
  4. Step 4: Simplify right side
    38,019.10x = 1,102,975,278.12
  5. Step 5: Solve for x
    x = 1,102,975,278.12/38,019.10
  6. Step 6: Final answer
    x = 29,011.08

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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.