Home / 52,451.23-78,583.56-30,218.67

Finding the Fourth Proportional to 52,451.23, 78,583.56 and 30,218.67

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Solution

The fourth proportional to 52,451.23, 78,583.56 and 30,218.67 is: 45,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,451.23 : 78,583.56 = 30,218.67 : x
  2. Step 2: Convert to fraction form
    52,451.23/78,583.56 = 30,218.67/x
  3. Step 3: Cross multiply
    52,451.23x = 78,583.56 × 30,218.67
  4. Step 4: Simplify right side
    52,451.23x = 2,374,690,319.51
  5. Step 5: Solve for x
    x = 2,374,690,319.51/52,451.23
  6. Step 6: Final answer
    x = 45,274.25

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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.