Home / 34,530.57-51,788.25-12,345.48

Finding the Fourth Proportional to 34,530.57, 51,788.25 and 12,345.48

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Solution

The fourth proportional to 34,530.57, 51,788.25 and 12,345.48 is: 18,515.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,530.57 : 51,788.25 = 12,345.48 : x
  2. Step 2: Convert to fraction form
    34,530.57/51,788.25 = 12,345.48/x
  3. Step 3: Cross multiply
    34,530.57x = 51,788.25 × 12,345.48
  4. Step 4: Simplify right side
    34,530.57x = 639,350,804.61
  5. Step 5: Solve for x
    x = 639,350,804.61/34,530.57
  6. Step 6: Final answer
    x = 18,515.50

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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.