Home / 49,984.40-75,005.40-18,822.80

Finding the Fourth Proportional to 49,984.40, 75,005.40 and 18,822.80

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Solution

The fourth proportional to 49,984.40, 75,005.40 and 18,822.80 is: 28,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,984.40 : 75,005.40 = 18,822.80 : x
  2. Step 2: Convert to fraction form
    49,984.40/75,005.40 = 18,822.80/x
  3. Step 3: Cross multiply
    49,984.40x = 75,005.40 × 18,822.80
  4. Step 4: Simplify right side
    49,984.40x = 1,411,811,643.12
  5. Step 5: Solve for x
    x = 1,411,811,643.12/49,984.40
  6. Step 6: Final answer
    x = 28,245.05

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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.