Home / 37,771.20-56,656.80-18,088.20

Finding the Fourth Proportional to 37,771.20, 56,656.80 and 18,088.20

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Solution

The fourth proportional to 37,771.20, 56,656.80 and 18,088.20 is: 27,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,771.20 : 56,656.80 = 18,088.20 : x
  2. Step 2: Convert to fraction form
    37,771.20/56,656.80 = 18,088.20/x
  3. Step 3: Cross multiply
    37,771.20x = 56,656.80 × 18,088.20
  4. Step 4: Simplify right side
    37,771.20x = 1,024,819,529.76
  5. Step 5: Solve for x
    x = 1,024,819,529.76/37,771.20
  6. Step 6: Final answer
    x = 27,132.30

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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.