Home / 30,359.20-45,625.20-26,557.60

Finding the Fourth Proportional to 30,359.20, 45,625.20 and 26,557.60

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Solution

The fourth proportional to 30,359.20, 45,625.20 and 26,557.60 is: 39,911.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,359.20 : 45,625.20 = 26,557.60 : x
  2. Step 2: Convert to fraction form
    30,359.20/45,625.20 = 26,557.60/x
  3. Step 3: Cross multiply
    30,359.20x = 45,625.20 × 26,557.60
  4. Step 4: Simplify right side
    30,359.20x = 1,211,695,811.52
  5. Step 5: Solve for x
    x = 1,211,695,811.52/30,359.20
  6. Step 6: Final answer
    x = 39,911.98

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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.