Home / 39,025.80-58,538.70-12,730.60

Finding the Fourth Proportional to 39,025.80, 58,538.70 and 12,730.60

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Solution

The fourth proportional to 39,025.80, 58,538.70 and 12,730.60 is: 19,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,025.80 : 58,538.70 = 12,730.60 : x
  2. Step 2: Convert to fraction form
    39,025.80/58,538.70 = 12,730.60/x
  3. Step 3: Cross multiply
    39,025.80x = 58,538.70 × 12,730.60
  4. Step 4: Simplify right side
    39,025.80x = 745,232,774.22
  5. Step 5: Solve for x
    x = 745,232,774.22/39,025.80
  6. Step 6: Final answer
    x = 19,095.90

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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.