Home / 30,187.20-45,280.80-25,266.45

Finding the Fourth Proportional to 30,187.20, 45,280.80 and 25,266.45

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Solution

The fourth proportional to 30,187.20, 45,280.80 and 25,266.45 is: 37,899.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,187.20 : 45,280.80 = 25,266.45 : x
  2. Step 2: Convert to fraction form
    30,187.20/45,280.80 = 25,266.45/x
  3. Step 3: Cross multiply
    30,187.20x = 45,280.80 × 25,266.45
  4. Step 4: Simplify right side
    30,187.20x = 1,144,085,069.16
  5. Step 5: Solve for x
    x = 1,144,085,069.16/30,187.20
  6. Step 6: Final answer
    x = 37,899.68

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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.