Home / 50,272.80-75,344.40-30,530.40

Finding the Fourth Proportional to 50,272.80, 75,344.40 and 30,530.40

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Solution

The fourth proportional to 50,272.80, 75,344.40 and 30,530.40 is: 45,756.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,272.80 : 75,344.40 = 30,530.40 : x
  2. Step 2: Convert to fraction form
    50,272.80/75,344.40 = 30,530.40/x
  3. Step 3: Cross multiply
    50,272.80x = 75,344.40 × 30,530.40
  4. Step 4: Simplify right side
    50,272.80x = 2,300,294,669.76
  5. Step 5: Solve for x
    x = 2,300,294,669.76/50,272.80
  6. Step 6: Final answer
    x = 45,756.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.