Home / 37,697.20-56,509.80-13,998.40

Finding the Fourth Proportional to 37,697.20, 56,509.80 and 13,998.40

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Solution

The fourth proportional to 37,697.20, 56,509.80 and 13,998.40 is: 20,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,697.20 : 56,509.80 = 13,998.40 : x
  2. Step 2: Convert to fraction form
    37,697.20/56,509.80 = 13,998.40/x
  3. Step 3: Cross multiply
    37,697.20x = 56,509.80 × 13,998.40
  4. Step 4: Simplify right side
    37,697.20x = 791,046,784.32
  5. Step 5: Solve for x
    x = 791,046,784.32/37,697.20
  6. Step 6: Final answer
    x = 20,984.23

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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.