Home / 49,341.71-73,984.23-19,320.80

Finding the Fourth Proportional to 49,341.71, 73,984.23 and 19,320.80

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Solution

The fourth proportional to 49,341.71, 73,984.23 and 19,320.80 is: 28,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,341.71 : 73,984.23 = 19,320.80 : x
  2. Step 2: Convert to fraction form
    49,341.71/73,984.23 = 19,320.80/x
  3. Step 3: Cross multiply
    49,341.71x = 73,984.23 × 19,320.80
  4. Step 4: Simplify right side
    49,341.71x = 1,429,434,344.67
  5. Step 5: Solve for x
    x = 1,429,434,344.67/49,341.71
  6. Step 6: Final answer
    x = 28,970.10

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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.