Home / 55,889.63-77,127.32-31,695.17

Finding the Fourth Proportional to 55,889.63, 77,127.32 and 31,695.17

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Solution

The fourth proportional to 55,889.63, 77,127.32 and 31,695.17 is: 43,739.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,889.63 : 77,127.32 = 31,695.17 : x
  2. Step 2: Convert to fraction form
    55,889.63/77,127.32 = 31,695.17/x
  3. Step 3: Cross multiply
    55,889.63x = 77,127.32 × 31,695.17
  4. Step 4: Simplify right side
    55,889.63x = 2,444,563,212.65
  5. Step 5: Solve for x
    x = 2,444,563,212.65/55,889.63
  6. Step 6: Final answer
    x = 43,739.12

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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.