Home / 50,461.04-75,647.64-20,860.40

Finding the Fourth Proportional to 50,461.04, 75,647.64 and 20,860.40

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Solution

The fourth proportional to 50,461.04, 75,647.64 and 20,860.40 is: 31,272.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,461.04 : 75,647.64 = 20,860.40 : x
  2. Step 2: Convert to fraction form
    50,461.04/75,647.64 = 20,860.40/x
  3. Step 3: Cross multiply
    50,461.04x = 75,647.64 × 20,860.40
  4. Step 4: Simplify right side
    50,461.04x = 1,578,040,029.46
  5. Step 5: Solve for x
    x = 1,578,040,029.46/50,461.04
  6. Step 6: Final answer
    x = 31,272.44

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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.