Home / 37,130.74-55,704.31-18,420.95

Finding the Fourth Proportional to 37,130.74, 55,704.31 and 18,420.95

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Solution

The fourth proportional to 37,130.74, 55,704.31 and 18,420.95 is: 27,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,130.74 : 55,704.31 = 18,420.95 : x
  2. Step 2: Convert to fraction form
    37,130.74/55,704.31 = 18,420.95/x
  3. Step 3: Cross multiply
    37,130.74x = 55,704.31 × 18,420.95
  4. Step 4: Simplify right side
    37,130.74x = 1,026,126,402.50
  5. Step 5: Solve for x
    x = 1,026,126,402.50/37,130.74
  6. Step 6: Final answer
    x = 27,635.50

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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.