Home / 30,291.84-45,460.08-15,313.44

Finding the Fourth Proportional to 30,291.84, 45,460.08 and 15,313.44

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Solution

The fourth proportional to 30,291.84, 45,460.08 and 15,313.44 is: 22,981.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291.84 : 45,460.08 = 15,313.44 : x
  2. Step 2: Convert to fraction form
    30,291.84/45,460.08 = 15,313.44/x
  3. Step 3: Cross multiply
    30,291.84x = 45,460.08 × 15,313.44
  4. Step 4: Simplify right side
    30,291.84x = 696,150,207.48
  5. Step 5: Solve for x
    x = 696,150,207.48/30,291.84
  6. Step 6: Final answer
    x = 22,981.44

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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.