Home / 37,089.55-55,643.08-12,129.51

Finding the Fourth Proportional to 37,089.55, 55,643.08 and 12,129.51

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Solution

The fourth proportional to 37,089.55, 55,643.08 and 12,129.51 is: 18,197.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,089.55 : 55,643.08 = 12,129.51 : x
  2. Step 2: Convert to fraction form
    37,089.55/55,643.08 = 12,129.51/x
  3. Step 3: Cross multiply
    37,089.55x = 55,643.08 × 12,129.51
  4. Step 4: Simplify right side
    37,089.55x = 674,923,295.29
  5. Step 5: Solve for x
    x = 674,923,295.29/37,089.55
  6. Step 6: Final answer
    x = 18,197.13

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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.