Home / 50,630.18-69,869.65-28,274.18

Finding the Fourth Proportional to 50,630.18, 69,869.65 and 28,274.18

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Solution

The fourth proportional to 50,630.18, 69,869.65 and 28,274.18 is: 39,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,630.18 : 69,869.65 = 28,274.18 : x
  2. Step 2: Convert to fraction form
    50,630.18/69,869.65 = 28,274.18/x
  3. Step 3: Cross multiply
    50,630.18x = 69,869.65 × 28,274.18
  4. Step 4: Simplify right side
    50,630.18x = 1,975,507,164.63
  5. Step 5: Solve for x
    x = 1,975,507,164.63/50,630.18
  6. Step 6: Final answer
    x = 39,018.37

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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.