Home / 37,391.88-56,128.86-18,666.66

Finding the Fourth Proportional to 37,391.88, 56,128.86 and 18,666.66

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Solution

The fourth proportional to 37,391.88, 56,128.86 and 18,666.66 is: 28,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,391.88 : 56,128.86 = 18,666.66 : x
  2. Step 2: Convert to fraction form
    37,391.88/56,128.86 = 18,666.66/x
  3. Step 3: Cross multiply
    37,391.88x = 56,128.86 × 18,666.66
  4. Step 4: Simplify right side
    37,391.88x = 1,047,738,345.81
  5. Step 5: Solve for x
    x = 1,047,738,345.81/37,391.88
  6. Step 6: Final answer
    x = 28,020.48

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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.