Home / 30,516.25-45,774.65-10,798.15

Finding the Fourth Proportional to 30,516.25, 45,774.65 and 10,798.15

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Solution

The fourth proportional to 30,516.25, 45,774.65 and 10,798.15 is: 16,197.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,516.25 : 45,774.65 = 10,798.15 : x
  2. Step 2: Convert to fraction form
    30,516.25/45,774.65 = 10,798.15/x
  3. Step 3: Cross multiply
    30,516.25x = 45,774.65 × 10,798.15
  4. Step 4: Simplify right side
    30,516.25x = 494,281,536.90
  5. Step 5: Solve for x
    x = 494,281,536.90/30,516.25
  6. Step 6: Final answer
    x = 16,197.32

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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.