Home / 30,598.08-45,897.04-20,207.36

Finding the Fourth Proportional to 30,598.08, 45,897.04 and 20,207.36

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Solution

The fourth proportional to 30,598.08, 45,897.04 and 20,207.36 is: 30,310.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,598.08 : 45,897.04 = 20,207.36 : x
  2. Step 2: Convert to fraction form
    30,598.08/45,897.04 = 20,207.36/x
  3. Step 3: Cross multiply
    30,598.08x = 45,897.04 × 20,207.36
  4. Step 4: Simplify right side
    30,598.08x = 927,458,010.21
  5. Step 5: Solve for x
    x = 927,458,010.21/30,598.08
  6. Step 6: Final answer
    x = 30,310.99

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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.