Home / 37,218.93-55,833.86-10,920.21

Finding the Fourth Proportional to 37,218.93, 55,833.86 and 10,920.21

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Solution

The fourth proportional to 37,218.93, 55,833.86 and 10,920.21 is: 16,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,218.93 : 55,833.86 = 10,920.21 : x
  2. Step 2: Convert to fraction form
    37,218.93/55,833.86 = 10,920.21/x
  3. Step 3: Cross multiply
    37,218.93x = 55,833.86 × 10,920.21
  4. Step 4: Simplify right side
    37,218.93x = 609,717,421.71
  5. Step 5: Solve for x
    x = 609,717,421.71/37,218.93
  6. Step 6: Final answer
    x = 16,381.92

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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.