Home / 55,712.87-76,889.01-31,834.91

Finding the Fourth Proportional to 55,712.87, 76,889.01 and 31,834.91

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Solution

The fourth proportional to 55,712.87, 76,889.01 and 31,834.91 is: 43,935.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,712.87 : 76,889.01 = 31,834.91 : x
  2. Step 2: Convert to fraction form
    55,712.87/76,889.01 = 31,834.91/x
  3. Step 3: Cross multiply
    55,712.87x = 76,889.01 × 31,834.91
  4. Step 4: Simplify right side
    55,712.87x = 2,447,754,328.89
  5. Step 5: Solve for x
    x = 2,447,754,328.89/55,712.87
  6. Step 6: Final answer
    x = 43,935.17

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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.