Home / 37,782.08-56,670.24-13,158.08

Finding the Fourth Proportional to 37,782.08, 56,670.24 and 13,158.08

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Solution

The fourth proportional to 37,782.08, 56,670.24 and 13,158.08 is: 19,736.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,782.08 : 56,670.24 = 13,158.08 : x
  2. Step 2: Convert to fraction form
    37,782.08/56,670.24 = 13,158.08/x
  3. Step 3: Cross multiply
    37,782.08x = 56,670.24 × 13,158.08
  4. Step 4: Simplify right side
    37,782.08x = 745,671,551.54
  5. Step 5: Solve for x
    x = 745,671,551.54/37,782.08
  6. Step 6: Final answer
    x = 19,736.12

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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.