Home / 50,756.90-70,044.01-30,348.34

Finding the Fourth Proportional to 50,756.90, 70,044.01 and 30,348.34

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Solution

The fourth proportional to 50,756.90, 70,044.01 and 30,348.34 is: 41,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,756.90 : 70,044.01 = 30,348.34 : x
  2. Step 2: Convert to fraction form
    50,756.90/70,044.01 = 30,348.34/x
  3. Step 3: Cross multiply
    50,756.90x = 70,044.01 × 30,348.34
  4. Step 4: Simplify right side
    50,756.90x = 2,125,719,179.46
  5. Step 5: Solve for x
    x = 2,125,719,179.46/50,756.90
  6. Step 6: Final answer
    x = 41,880.40

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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.