Home / 38,987.16-58,486.50-11,281.56

Finding the Fourth Proportional to 38,987.16, 58,486.50 and 11,281.56

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Solution

The fourth proportional to 38,987.16, 58,486.50 and 11,281.56 is: 16,924.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,987.16 : 58,486.50 = 11,281.56 : x
  2. Step 2: Convert to fraction form
    38,987.16/58,486.50 = 11,281.56/x
  3. Step 3: Cross multiply
    38,987.16x = 58,486.50 × 11,281.56
  4. Step 4: Simplify right side
    38,987.16x = 659,818,958.94
  5. Step 5: Solve for x
    x = 659,818,958.94/38,987.16
  6. Step 6: Final answer
    x = 16,924.01

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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.