Home / 45,100.08-67,598.52-28,240.80

Finding the Fourth Proportional to 45,100.08, 67,598.52 and 28,240.80

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Solution

The fourth proportional to 45,100.08, 67,598.52 and 28,240.80 is: 42,328.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,100.08 : 67,598.52 = 28,240.80 : x
  2. Step 2: Convert to fraction form
    45,100.08/67,598.52 = 28,240.80/x
  3. Step 3: Cross multiply
    45,100.08x = 67,598.52 × 28,240.80
  4. Step 4: Simplify right side
    45,100.08x = 1,909,036,283.62
  5. Step 5: Solve for x
    x = 1,909,036,283.62/45,100.08
  6. Step 6: Final answer
    x = 42,328.89

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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.