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Finding the Fourth Proportional to 30,597.59, 45,642.11 and 30,090.09

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Solution

The fourth proportional to 30,597.59, 45,642.11 and 30,090.09 is: 44,885.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,597.59 : 45,642.11 = 30,090.09 : x
  2. Step 2: Convert to fraction form
    30,597.59/45,642.11 = 30,090.09/x
  3. Step 3: Cross multiply
    30,597.59x = 45,642.11 × 30,090.09
  4. Step 4: Simplify right side
    30,597.59x = 1,373,375,047.24
  5. Step 5: Solve for x
    x = 1,373,375,047.24/30,597.59
  6. Step 6: Final answer
    x = 44,885.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.