Home / 30,561.16-45,842.38-9,784.60

Finding the Fourth Proportional to 30,561.16, 45,842.38 and 9,784.60

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Solution

The fourth proportional to 30,561.16, 45,842.38 and 9,784.60 is: 14,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,561.16 : 45,842.38 = 9,784.60 : x
  2. Step 2: Convert to fraction form
    30,561.16/45,842.38 = 9,784.60/x
  3. Step 3: Cross multiply
    30,561.16x = 45,842.38 × 9,784.60
  4. Step 4: Simplify right side
    30,561.16x = 448,549,351.35
  5. Step 5: Solve for x
    x = 448,549,351.35/30,561.16
  6. Step 6: Final answer
    x = 14,677.10

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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.