Home / 30,134.23-45,209.81-11,158.58

Finding the Fourth Proportional to 30,134.23, 45,209.81 and 11,158.58

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Solution

The fourth proportional to 30,134.23, 45,209.81 and 11,158.58 is: 16,741.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,134.23 : 45,209.81 = 11,158.58 : x
  2. Step 2: Convert to fraction form
    30,134.23/45,209.81 = 11,158.58/x
  3. Step 3: Cross multiply
    30,134.23x = 45,209.81 × 11,158.58
  4. Step 4: Simplify right side
    30,134.23x = 504,477,281.67
  5. Step 5: Solve for x
    x = 504,477,281.67/30,134.23
  6. Step 6: Final answer
    x = 16,741.00

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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.