Home / 30,501.55-45,752.87-8,317.27

Finding the Fourth Proportional to 30,501.55, 45,752.87 and 8,317.27

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Solution

The fourth proportional to 30,501.55, 45,752.87 and 8,317.27 is: 12,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501.55 : 45,752.87 = 8,317.27 : x
  2. Step 2: Convert to fraction form
    30,501.55/45,752.87 = 8,317.27/x
  3. Step 3: Cross multiply
    30,501.55x = 45,752.87 × 8,317.27
  4. Step 4: Simplify right side
    30,501.55x = 380,538,973.06
  5. Step 5: Solve for x
    x = 380,538,973.06/30,501.55
  6. Step 6: Final answer
    x = 12,476.05

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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.