Home / 30,056.96-45,042.30-16,881.60

Finding the Fourth Proportional to 30,056.96, 45,042.30 and 16,881.60

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Solution

The fourth proportional to 30,056.96, 45,042.30 and 16,881.60 is: 25,298.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,056.96 : 45,042.30 = 16,881.60 : x
  2. Step 2: Convert to fraction form
    30,056.96/45,042.30 = 16,881.60/x
  3. Step 3: Cross multiply
    30,056.96x = 45,042.30 × 16,881.60
  4. Step 4: Simplify right side
    30,056.96x = 760,386,091.68
  5. Step 5: Solve for x
    x = 760,386,091.68/30,056.96
  6. Step 6: Final answer
    x = 25,298.17

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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.