Home / 30,340.18-45,493.14-12,560.80

Finding the Fourth Proportional to 30,340.18, 45,493.14 and 12,560.80

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Solution

The fourth proportional to 30,340.18, 45,493.14 and 12,560.80 is: 18,834.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,340.18 : 45,493.14 = 12,560.80 : x
  2. Step 2: Convert to fraction form
    30,340.18/45,493.14 = 12,560.80/x
  3. Step 3: Cross multiply
    30,340.18x = 45,493.14 × 12,560.80
  4. Step 4: Simplify right side
    30,340.18x = 571,430,232.91
  5. Step 5: Solve for x
    x = 571,430,232.91/30,340.18
  6. Step 6: Final answer
    x = 18,834.11

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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.