Home / 50,463.04-75,650.64-20,862.40

Finding the Fourth Proportional to 50,463.04, 75,650.64 and 20,862.40

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Solution

The fourth proportional to 50,463.04, 75,650.64 and 20,862.40 is: 31,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,463.04 : 75,650.64 = 20,862.40 : x
  2. Step 2: Convert to fraction form
    50,463.04/75,650.64 = 20,862.40/x
  3. Step 3: Cross multiply
    50,463.04x = 75,650.64 × 20,862.40
  4. Step 4: Simplify right side
    50,463.04x = 1,578,253,911.94
  5. Step 5: Solve for x
    x = 1,578,253,911.94/50,463.04
  6. Step 6: Final answer
    x = 31,275.44

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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.