Home / 30,117.49-45,204.18-21,692.68

Finding the Fourth Proportional to 30,117.49, 45,204.18 and 21,692.68

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Solution

The fourth proportional to 30,117.49, 45,204.18 and 21,692.68 is: 32,559.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.49 : 45,204.18 = 21,692.68 : x
  2. Step 2: Convert to fraction form
    30,117.49/45,204.18 = 21,692.68/x
  3. Step 3: Cross multiply
    30,117.49x = 45,204.18 × 21,692.68
  4. Step 4: Simplify right side
    30,117.49x = 980,599,617.04
  5. Step 5: Solve for x
    x = 980,599,617.04/30,117.49
  6. Step 6: Final answer
    x = 32,559.14

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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.