Home / 38,818.40-58,270.80-21,322.40

Finding the Fourth Proportional to 38,818.40, 58,270.80 and 21,322.40

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Solution

The fourth proportional to 38,818.40, 58,270.80 and 21,322.40 is: 32,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,818.40 : 58,270.80 = 21,322.40 : x
  2. Step 2: Convert to fraction form
    38,818.40/58,270.80 = 21,322.40/x
  3. Step 3: Cross multiply
    38,818.40x = 58,270.80 × 21,322.40
  4. Step 4: Simplify right side
    38,818.40x = 1,242,473,305.92
  5. Step 5: Solve for x
    x = 1,242,473,305.92/38,818.40
  6. Step 6: Final answer
    x = 32,007.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.