Home / 37,860.18-56,717.48-21,169.60

Finding the Fourth Proportional to 37,860.18, 56,717.48 and 21,169.60

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Solution

The fourth proportional to 37,860.18, 56,717.48 and 21,169.60 is: 31,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,860.18 : 56,717.48 = 21,169.60 : x
  2. Step 2: Convert to fraction form
    37,860.18/56,717.48 = 21,169.60/x
  3. Step 3: Cross multiply
    37,860.18x = 56,717.48 × 21,169.60
  4. Step 4: Simplify right side
    37,860.18x = 1,200,686,364.61
  5. Step 5: Solve for x
    x = 1,200,686,364.61/37,860.18
  6. Step 6: Final answer
    x = 31,713.70

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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.