Home / 55,726.72-76,907.70-30,581.08

Finding the Fourth Proportional to 55,726.72, 76,907.70 and 30,581.08

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Solution

The fourth proportional to 55,726.72, 76,907.70 and 30,581.08 is: 42,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,726.72 : 76,907.70 = 30,581.08 : x
  2. Step 2: Convert to fraction form
    55,726.72/76,907.70 = 30,581.08/x
  3. Step 3: Cross multiply
    55,726.72x = 76,907.70 × 30,581.08
  4. Step 4: Simplify right side
    55,726.72x = 2,351,920,526.32
  5. Step 5: Solve for x
    x = 2,351,920,526.32/55,726.72
  6. Step 6: Final answer
    x = 42,204.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.