Home / 55,641.36-76,792.47-31,447.35

Finding the Fourth Proportional to 55,641.36, 76,792.47 and 31,447.35

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Solution

The fourth proportional to 55,641.36, 76,792.47 and 31,447.35 is: 43,401.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,641.36 : 76,792.47 = 31,447.35 : x
  2. Step 2: Convert to fraction form
    55,641.36/76,792.47 = 31,447.35/x
  3. Step 3: Cross multiply
    55,641.36x = 76,792.47 × 31,447.35
  4. Step 4: Simplify right side
    55,641.36x = 2,414,919,681.45
  5. Step 5: Solve for x
    x = 2,414,919,681.45/55,641.36
  6. Step 6: Final answer
    x = 43,401.52

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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.