Home / 49,430.19-68,213.03-28,209.81

Finding the Fourth Proportional to 49,430.19, 68,213.03 and 28,209.81

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Solution

The fourth proportional to 49,430.19, 68,213.03 and 28,209.81 is: 38,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,430.19 : 68,213.03 = 28,209.81 : x
  2. Step 2: Convert to fraction form
    49,430.19/68,213.03 = 28,209.81/x
  3. Step 3: Cross multiply
    49,430.19x = 68,213.03 × 28,209.81
  4. Step 4: Simplify right side
    49,430.19x = 1,924,276,474.78
  5. Step 5: Solve for x
    x = 1,924,276,474.78/49,430.19
  6. Step 6: Final answer
    x = 38,929.17

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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.