Home / 30,159.22-41,619.72-16,730.62

Finding the Fourth Proportional to 30,159.22, 41,619.72 and 16,730.62

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Solution

The fourth proportional to 30,159.22, 41,619.72 and 16,730.62 is: 23,088.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159.22 : 41,619.72 = 16,730.62 : x
  2. Step 2: Convert to fraction form
    30,159.22/41,619.72 = 16,730.62/x
  3. Step 3: Cross multiply
    30,159.22x = 41,619.72 × 16,730.62
  4. Step 4: Simplify right side
    30,159.22x = 696,323,719.83
  5. Step 5: Solve for x
    x = 696,323,719.83/30,159.22
  6. Step 6: Final answer
    x = 23,088.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.