Home / 50,567.45-75,885.03-20,985.31

Finding the Fourth Proportional to 50,567.45, 75,885.03 and 20,985.31

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Solution

The fourth proportional to 50,567.45, 75,885.03 and 20,985.31 is: 31,492.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,567.45 : 75,885.03 = 20,985.31 : x
  2. Step 2: Convert to fraction form
    50,567.45/75,885.03 = 20,985.31/x
  3. Step 3: Cross multiply
    50,567.45x = 75,885.03 × 20,985.31
  4. Step 4: Simplify right side
    50,567.45x = 1,592,470,649.85
  5. Step 5: Solve for x
    x = 1,592,470,649.85/50,567.45
  6. Step 6: Final answer
    x = 31,492.01

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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.