Home / 19,700.20-29,550.14-4,909.02

Finding the Fourth Proportional to 19,700.20, 29,550.14 and 4,909.02

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Solution

The fourth proportional to 19,700.20, 29,550.14 and 4,909.02 is: 7,363.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700.20 : 29,550.14 = 4,909.02 : x
  2. Step 2: Convert to fraction form
    19,700.20/29,550.14 = 4,909.02/x
  3. Step 3: Cross multiply
    19,700.20x = 29,550.14 × 4,909.02
  4. Step 4: Simplify right side
    19,700.20x = 145,062,228.26
  5. Step 5: Solve for x
    x = 145,062,228.26/19,700.20
  6. Step 6: Final answer
    x = 7,363.49

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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.