Home / 50,755.04-70,048.50-30,622.79

Finding the Fourth Proportional to 50,755.04, 70,048.50 and 30,622.79

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Solution

The fourth proportional to 50,755.04, 70,048.50 and 30,622.79 is: 42,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,755.04 : 70,048.50 = 30,622.79 : x
  2. Step 2: Convert to fraction form
    50,755.04/70,048.50 = 30,622.79/x
  3. Step 3: Cross multiply
    50,755.04x = 70,048.50 × 30,622.79
  4. Step 4: Simplify right side
    50,755.04x = 2,145,080,565.60
  5. Step 5: Solve for x
    x = 2,145,080,565.60/50,755.04
  6. Step 6: Final answer
    x = 42,263.40

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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.