Home / 55,730.77-76,908.47-31,857.98

Finding the Fourth Proportional to 55,730.77, 76,908.47 and 31,857.98

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Solution

The fourth proportional to 55,730.77, 76,908.47 and 31,857.98 is: 43,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,730.77 : 76,908.47 = 31,857.98 : x
  2. Step 2: Convert to fraction form
    55,730.77/76,908.47 = 31,857.98/x
  3. Step 3: Cross multiply
    55,730.77x = 76,908.47 × 31,857.98
  4. Step 4: Simplify right side
    55,730.77x = 2,450,148,243.67
  5. Step 5: Solve for x
    x = 2,450,148,243.67/55,730.77
  6. Step 6: Final answer
    x = 43,964.01

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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.