Home / 30,238.94-45,362.89-9,459.74

Finding the Fourth Proportional to 30,238.94, 45,362.89 and 9,459.74

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Solution

The fourth proportional to 30,238.94, 45,362.89 and 9,459.74 is: 14,191.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,238.94 : 45,362.89 = 9,459.74 : x
  2. Step 2: Convert to fraction form
    30,238.94/45,362.89 = 9,459.74/x
  3. Step 3: Cross multiply
    30,238.94x = 45,362.89 × 9,459.74
  4. Step 4: Simplify right side
    30,238.94x = 429,121,145.05
  5. Step 5: Solve for x
    x = 429,121,145.05/30,238.94
  6. Step 6: Final answer
    x = 14,191.01

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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.