Home / 30,187.44-45,281.66-16,852.70

Finding the Fourth Proportional to 30,187.44, 45,281.66 and 16,852.70

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Solution

The fourth proportional to 30,187.44, 45,281.66 and 16,852.70 is: 25,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,187.44 : 45,281.66 = 16,852.70 : x
  2. Step 2: Convert to fraction form
    30,187.44/45,281.66 = 16,852.70/x
  3. Step 3: Cross multiply
    30,187.44x = 45,281.66 × 16,852.70
  4. Step 4: Simplify right side
    30,187.44x = 763,117,920.81
  5. Step 5: Solve for x
    x = 763,117,920.81/30,187.44
  6. Step 6: Final answer
    x = 25,279.32

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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.