Home / 55,510.36-76,599.67-31,309.99

Finding the Fourth Proportional to 55,510.36, 76,599.67 and 31,309.99

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Solution

The fourth proportional to 55,510.36, 76,599.67 and 31,309.99 is: 43,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,510.36 : 76,599.67 = 31,309.99 : x
  2. Step 2: Convert to fraction form
    55,510.36/76,599.67 = 31,309.99/x
  3. Step 3: Cross multiply
    55,510.36x = 76,599.67 × 31,309.99
  4. Step 4: Simplify right side
    55,510.36x = 2,398,334,745.15
  5. Step 5: Solve for x
    x = 2,398,334,745.15/55,510.36
  6. Step 6: Final answer
    x = 43,205.17

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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.