Home / 34,886.12-48,140.87-18,970.56

Finding the Fourth Proportional to 34,886.12, 48,140.87 and 18,970.56

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Solution

The fourth proportional to 34,886.12, 48,140.87 and 18,970.56 is: 26,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,886.12 : 48,140.87 = 18,970.56 : x
  2. Step 2: Convert to fraction form
    34,886.12/48,140.87 = 18,970.56/x
  3. Step 3: Cross multiply
    34,886.12x = 48,140.87 × 18,970.56
  4. Step 4: Simplify right side
    34,886.12x = 913,259,167.93
  5. Step 5: Solve for x
    x = 913,259,167.93/34,886.12
  6. Step 6: Final answer
    x = 26,178.30

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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.