Home / 38,690.50-53,365.23-35,513.88

Finding the Fourth Proportional to 38,690.50, 53,365.23 and 35,513.88

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Solution

The fourth proportional to 38,690.50, 53,365.23 and 35,513.88 is: 48,983.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,690.50 : 53,365.23 = 35,513.88 : x
  2. Step 2: Convert to fraction form
    38,690.50/53,365.23 = 35,513.88/x
  3. Step 3: Cross multiply
    38,690.50x = 53,365.23 × 35,513.88
  4. Step 4: Simplify right side
    38,690.50x = 1,895,206,374.39
  5. Step 5: Solve for x
    x = 1,895,206,374.39/38,690.50
  6. Step 6: Final answer
    x = 48,983.77

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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.