Home / 30,119.04-45,193.95-12,362.63

Finding the Fourth Proportional to 30,119.04, 45,193.95 and 12,362.63

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Solution

The fourth proportional to 30,119.04, 45,193.95 and 12,362.63 is: 18,550.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.04 : 45,193.95 = 12,362.63 : x
  2. Step 2: Convert to fraction form
    30,119.04/45,193.95 = 12,362.63/x
  3. Step 3: Cross multiply
    30,119.04x = 45,193.95 × 12,362.63
  4. Step 4: Simplify right side
    30,119.04x = 558,715,856.12
  5. Step 5: Solve for x
    x = 558,715,856.12/30,119.04
  6. Step 6: Final answer
    x = 18,550.25

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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.