Home / 49,430.79-68,220.01-28,213.65

Finding the Fourth Proportional to 49,430.79, 68,220.01 and 28,213.65

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Solution

The fourth proportional to 49,430.79, 68,220.01 and 28,213.65 is: 38,937.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,430.79 : 68,220.01 = 28,213.65 : x
  2. Step 2: Convert to fraction form
    49,430.79/68,220.01 = 28,213.65/x
  3. Step 3: Cross multiply
    49,430.79x = 68,220.01 × 28,213.65
  4. Step 4: Simplify right side
    49,430.79x = 1,924,735,485.14
  5. Step 5: Solve for x
    x = 1,924,735,485.14/49,430.79
  6. Step 6: Final answer
    x = 38,937.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.