Home / 38,470.70-53,089.35-21,473.96

Finding the Fourth Proportional to 38,470.70, 53,089.35 and 21,473.96

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Solution

The fourth proportional to 38,470.70, 53,089.35 and 21,473.96 is: 29,633.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,470.70 : 53,089.35 = 21,473.96 : x
  2. Step 2: Convert to fraction form
    38,470.70/53,089.35 = 21,473.96/x
  3. Step 3: Cross multiply
    38,470.70x = 53,089.35 × 21,473.96
  4. Step 4: Simplify right side
    38,470.70x = 1,140,038,578.33
  5. Step 5: Solve for x
    x = 1,140,038,578.33/38,470.70
  6. Step 6: Final answer
    x = 29,633.94

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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.