Home / 55,816.86-77,026.95-30,665.82

Finding the Fourth Proportional to 55,816.86, 77,026.95 and 30,665.82

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Solution

The fourth proportional to 55,816.86, 77,026.95 and 30,665.82 is: 42,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,816.86 : 77,026.95 = 30,665.82 : x
  2. Step 2: Convert to fraction form
    55,816.86/77,026.95 = 30,665.82/x
  3. Step 3: Cross multiply
    55,816.86x = 77,026.95 × 30,665.82
  4. Step 4: Simplify right side
    55,816.86x = 2,362,094,583.85
  5. Step 5: Solve for x
    x = 2,362,094,583.85/55,816.86
  6. Step 6: Final answer
    x = 42,318.66

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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.