Home / 30,851.82-46,296.15-28,342.20

Finding the Fourth Proportional to 30,851.82, 46,296.15 and 28,342.20

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Solution

The fourth proportional to 30,851.82, 46,296.15 and 28,342.20 is: 42,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,851.82 : 46,296.15 = 28,342.20 : x
  2. Step 2: Convert to fraction form
    30,851.82/46,296.15 = 28,342.20/x
  3. Step 3: Cross multiply
    30,851.82x = 46,296.15 × 28,342.20
  4. Step 4: Simplify right side
    30,851.82x = 1,312,134,742.53
  5. Step 5: Solve for x
    x = 1,312,134,742.53/30,851.82
  6. Step 6: Final answer
    x = 42,530.22

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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.