Home / 37,340.80-56,000.40-13,645.60

Finding the Fourth Proportional to 37,340.80, 56,000.40 and 13,645.60

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Solution

The fourth proportional to 37,340.80, 56,000.40 and 13,645.60 is: 20,464.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,340.80 : 56,000.40 = 13,645.60 : x
  2. Step 2: Convert to fraction form
    37,340.80/56,000.40 = 13,645.60/x
  3. Step 3: Cross multiply
    37,340.80x = 56,000.40 × 13,645.60
  4. Step 4: Simplify right side
    37,340.80x = 764,159,058.24
  5. Step 5: Solve for x
    x = 764,159,058.24/37,340.80
  6. Step 6: Final answer
    x = 20,464.45

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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.