Home / 30,316.28-45,474.35-30,272.47

Finding the Fourth Proportional to 30,316.28, 45,474.35 and 30,272.47

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Solution

The fourth proportional to 30,316.28, 45,474.35 and 30,272.47 is: 45,408.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.28 : 45,474.35 = 30,272.47 : x
  2. Step 2: Convert to fraction form
    30,316.28/45,474.35 = 30,272.47/x
  3. Step 3: Cross multiply
    30,316.28x = 45,474.35 × 30,272.47
  4. Step 4: Simplify right side
    30,316.28x = 1,376,620,631.10
  5. Step 5: Solve for x
    x = 1,376,620,631.10/30,316.28
  6. Step 6: Final answer
    x = 45,408.63

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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.