Home / 39,638.60-54,669.50-34,848.36

Finding the Fourth Proportional to 39,638.60, 54,669.50 and 34,848.36

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Solution

The fourth proportional to 39,638.60, 54,669.50 and 34,848.36 is: 48,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.60 : 54,669.50 = 34,848.36 : x
  2. Step 2: Convert to fraction form
    39,638.60/54,669.50 = 34,848.36/x
  3. Step 3: Cross multiply
    39,638.60x = 54,669.50 × 34,848.36
  4. Step 4: Simplify right side
    39,638.60x = 1,905,142,242.78
  5. Step 5: Solve for x
    x = 1,905,142,242.78/39,638.60
  6. Step 6: Final answer
    x = 48,062.81

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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.