Home / 40,765.08-61,118.64-15,784.04

Finding the Fourth Proportional to 40,765.08, 61,118.64 and 15,784.04

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Solution

The fourth proportional to 40,765.08, 61,118.64 and 15,784.04 is: 23,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,765.08 : 61,118.64 = 15,784.04 : x
  2. Step 2: Convert to fraction form
    40,765.08/61,118.64 = 15,784.04/x
  3. Step 3: Cross multiply
    40,765.08x = 61,118.64 × 15,784.04
  4. Step 4: Simplify right side
    40,765.08x = 964,699,058.51
  5. Step 5: Solve for x
    x = 964,699,058.51/40,765.08
  6. Step 6: Final answer
    x = 23,664.84

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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.