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Finding the Fourth Proportional to 30,473.40, 45,599.27 and 25,158.99

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Solution

The fourth proportional to 30,473.40, 45,599.27 and 25,158.99 is: 37,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,473.40 : 45,599.27 = 25,158.99 : x
  2. Step 2: Convert to fraction form
    30,473.40/45,599.27 = 25,158.99/x
  3. Step 3: Cross multiply
    30,473.40x = 45,599.27 × 25,158.99
  4. Step 4: Simplify right side
    30,473.40x = 1,147,231,577.94
  5. Step 5: Solve for x
    x = 1,147,231,577.94/30,473.40
  6. Step 6: Final answer
    x = 37,646.98

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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.