Home / 38,019.81-52,465.21-21,023.06

Finding the Fourth Proportional to 38,019.81, 52,465.21 and 21,023.06

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Solution

The fourth proportional to 38,019.81, 52,465.21 and 21,023.06 is: 29,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,019.81 : 52,465.21 = 21,023.06 : x
  2. Step 2: Convert to fraction form
    38,019.81/52,465.21 = 21,023.06/x
  3. Step 3: Cross multiply
    38,019.81x = 52,465.21 × 21,023.06
  4. Step 4: Simplify right side
    38,019.81x = 1,102,979,257.74
  5. Step 5: Solve for x
    x = 1,102,979,257.74/38,019.81
  6. Step 6: Final answer
    x = 29,010.65

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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.