Home / 34,871.08-48,122.20-18,955.58

Finding the Fourth Proportional to 34,871.08, 48,122.20 and 18,955.58

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Solution

The fourth proportional to 34,871.08, 48,122.20 and 18,955.58 is: 26,158.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,871.08 : 48,122.20 = 18,955.58 : x
  2. Step 2: Convert to fraction form
    34,871.08/48,122.20 = 18,955.58/x
  3. Step 3: Cross multiply
    34,871.08x = 48,122.20 × 18,955.58
  4. Step 4: Simplify right side
    34,871.08x = 912,184,211.88
  5. Step 5: Solve for x
    x = 912,184,211.88/34,871.08
  6. Step 6: Final answer
    x = 26,158.76

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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.