Home / 30,159.63-41,620.40-16,731.15

Finding the Fourth Proportional to 30,159.63, 41,620.40 and 16,731.15

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Solution

The fourth proportional to 30,159.63, 41,620.40 and 16,731.15 is: 23,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159.63 : 41,620.40 = 16,731.15 : x
  2. Step 2: Convert to fraction form
    30,159.63/41,620.40 = 16,731.15/x
  3. Step 3: Cross multiply
    30,159.63x = 41,620.40 × 16,731.15
  4. Step 4: Simplify right side
    30,159.63x = 696,357,071.80
  5. Step 5: Solve for x
    x = 696,357,071.80/30,159.63
  6. Step 6: Final answer
    x = 23,089.05

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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.