Home / 39,276.76-58,901.93-12,616.21

Finding the Fourth Proportional to 39,276.76, 58,901.93 and 12,616.21

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Solution

The fourth proportional to 39,276.76, 58,901.93 and 12,616.21 is: 18,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,276.76 : 58,901.93 = 12,616.21 : x
  2. Step 2: Convert to fraction form
    39,276.76/58,901.93 = 12,616.21/x
  3. Step 3: Cross multiply
    39,276.76x = 58,901.93 × 12,616.21
  4. Step 4: Simplify right side
    39,276.76x = 743,118,907.95
  5. Step 5: Solve for x
    x = 743,118,907.95/39,276.76
  6. Step 6: Final answer
    x = 18,920.07

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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.