Home / 55,535.49-76,637.07-31,669.85

Finding the Fourth Proportional to 55,535.49, 76,637.07 and 31,669.85

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Solution

The fourth proportional to 55,535.49, 76,637.07 and 31,669.85 is: 43,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,535.49 : 76,637.07 = 31,669.85 : x
  2. Step 2: Convert to fraction form
    55,535.49/76,637.07 = 31,669.85/x
  3. Step 3: Cross multiply
    55,535.49x = 76,637.07 × 31,669.85
  4. Step 4: Simplify right side
    55,535.49x = 2,427,084,128.15
  5. Step 5: Solve for x
    x = 2,427,084,128.15/55,535.49
  6. Step 6: Final answer
    x = 43,703.30

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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.