Home / 55,833.95-77,053.80-31,639.60

Finding the Fourth Proportional to 55,833.95, 77,053.80 and 31,639.60

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Solution

The fourth proportional to 55,833.95, 77,053.80 and 31,639.60 is: 43,664.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,833.95 : 77,053.80 = 31,639.60 : x
  2. Step 2: Convert to fraction form
    55,833.95/77,053.80 = 31,639.60/x
  3. Step 3: Cross multiply
    55,833.95x = 77,053.80 × 31,639.60
  4. Step 4: Simplify right side
    55,833.95x = 2,437,951,252.28
  5. Step 5: Solve for x
    x = 2,437,951,252.28/55,833.95
  6. Step 6: Final answer
    x = 43,664.32

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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.