Home / 39,938.98-55,118.31-22,948.54

Finding the Fourth Proportional to 39,938.98, 55,118.31 and 22,948.54

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Solution

The fourth proportional to 39,938.98, 55,118.31 and 22,948.54 is: 31,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938.98 : 55,118.31 = 22,948.54 : x
  2. Step 2: Convert to fraction form
    39,938.98/55,118.31 = 22,948.54/x
  3. Step 3: Cross multiply
    39,938.98x = 55,118.31 × 22,948.54
  4. Step 4: Simplify right side
    39,938.98x = 1,264,884,741.77
  5. Step 5: Solve for x
    x = 1,264,884,741.77/39,938.98
  6. Step 6: Final answer
    x = 31,670.43

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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.