Home / 34,779.29-47,995.70-18,863.74

Finding the Fourth Proportional to 34,779.29, 47,995.70 and 18,863.74

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Solution

The fourth proportional to 34,779.29, 47,995.70 and 18,863.74 is: 26,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,779.29 : 47,995.70 = 18,863.74 : x
  2. Step 2: Convert to fraction form
    34,779.29/47,995.70 = 18,863.74/x
  3. Step 3: Cross multiply
    34,779.29x = 47,995.70 × 18,863.74
  4. Step 4: Simplify right side
    34,779.29x = 905,378,191.61
  5. Step 5: Solve for x
    x = 905,378,191.61/34,779.29
  6. Step 6: Final answer
    x = 26,032.10

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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.