Home / 30,200.16-45,291.60-9,418.08

Finding the Fourth Proportional to 30,200.16, 45,291.60 and 9,418.08

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Solution

The fourth proportional to 30,200.16, 45,291.60 and 9,418.08 is: 14,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.16 : 45,291.60 = 9,418.08 : x
  2. Step 2: Convert to fraction form
    30,200.16/45,291.60 = 9,418.08/x
  3. Step 3: Cross multiply
    30,200.16x = 45,291.60 × 9,418.08
  4. Step 4: Simplify right side
    30,200.16x = 426,559,912.13
  5. Step 5: Solve for x
    x = 426,559,912.13/30,200.16
  6. Step 6: Final answer
    x = 14,124.43

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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.