Home / 55,302.54-76,317.53-31,428.60

Finding the Fourth Proportional to 55,302.54, 76,317.53 and 31,428.60

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Solution

The fourth proportional to 55,302.54, 76,317.53 and 31,428.60 is: 43,371.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,302.54 : 76,317.53 = 31,428.60 : x
  2. Step 2: Convert to fraction form
    55,302.54/76,317.53 = 31,428.60/x
  3. Step 3: Cross multiply
    55,302.54x = 76,317.53 × 31,428.60
  4. Step 4: Simplify right side
    55,302.54x = 2,398,552,966.22
  5. Step 5: Solve for x
    x = 2,398,552,966.22/55,302.54
  6. Step 6: Final answer
    x = 43,371.48

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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.