Home / 30,056.57-45,053.05-11,328.49

Finding the Fourth Proportional to 30,056.57, 45,053.05 and 11,328.49

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Solution

The fourth proportional to 30,056.57, 45,053.05 and 11,328.49 is: 16,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,056.57 : 45,053.05 = 11,328.49 : x
  2. Step 2: Convert to fraction form
    30,056.57/45,053.05 = 11,328.49/x
  3. Step 3: Cross multiply
    30,056.57x = 45,053.05 × 11,328.49
  4. Step 4: Simplify right side
    30,056.57x = 510,383,026.39
  5. Step 5: Solve for x
    x = 510,383,026.39/30,056.57
  6. Step 6: Final answer
    x = 16,980.75

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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.