Home / 37,632.80-56,449.20-18,970.40

Finding the Fourth Proportional to 37,632.80, 56,449.20 and 18,970.40

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Solution

The fourth proportional to 37,632.80, 56,449.20 and 18,970.40 is: 28,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,632.80 : 56,449.20 = 18,970.40 : x
  2. Step 2: Convert to fraction form
    37,632.80/56,449.20 = 18,970.40/x
  3. Step 3: Cross multiply
    37,632.80x = 56,449.20 × 18,970.40
  4. Step 4: Simplify right side
    37,632.80x = 1,070,863,903.68
  5. Step 5: Solve for x
    x = 1,070,863,903.68/37,632.80
  6. Step 6: Final answer
    x = 28,455.60

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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.