Home / 55,731.95-76,907.66-31,860.17

Finding the Fourth Proportional to 55,731.95, 76,907.66 and 31,860.17

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Solution

The fourth proportional to 55,731.95, 76,907.66 and 31,860.17 is: 43,965.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,731.95 : 76,907.66 = 31,860.17 : x
  2. Step 2: Convert to fraction form
    55,731.95/76,907.66 = 31,860.17/x
  3. Step 3: Cross multiply
    55,731.95x = 76,907.66 × 31,860.17
  4. Step 4: Simplify right side
    55,731.95x = 2,450,290,657.71
  5. Step 5: Solve for x
    x = 2,450,290,657.71/55,731.95
  6. Step 6: Final answer
    x = 43,965.63

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1.5x scale

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.