Home / 34,512.68-51,779.90-12,325.57

Finding the Fourth Proportional to 34,512.68, 51,779.90 and 12,325.57

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Solution

The fourth proportional to 34,512.68, 51,779.90 and 12,325.57 is: 18,492.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,512.68 : 51,779.90 = 12,325.57 : x
  2. Step 2: Convert to fraction form
    34,512.68/51,779.90 = 12,325.57/x
  3. Step 3: Cross multiply
    34,512.68x = 51,779.90 × 12,325.57
  4. Step 4: Simplify right side
    34,512.68x = 638,216,461.52
  5. Step 5: Solve for x
    x = 638,216,461.52/34,512.68
  6. Step 6: Final answer
    x = 18,492.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.