Home / 30,866.76-46,319.04-13,336.20

Finding the Fourth Proportional to 30,866.76, 46,319.04 and 13,336.20

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Solution

The fourth proportional to 30,866.76, 46,319.04 and 13,336.20 is: 20,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,866.76 : 46,319.04 = 13,336.20 : x
  2. Step 2: Convert to fraction form
    30,866.76/46,319.04 = 13,336.20/x
  3. Step 3: Cross multiply
    30,866.76x = 46,319.04 × 13,336.20
  4. Step 4: Simplify right side
    30,866.76x = 617,719,981.25
  5. Step 5: Solve for x
    x = 617,719,981.25/30,866.76
  6. Step 6: Final answer
    x = 20,012.47

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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.