Home / 30,412.81-45,627.54-14,631.04

Finding the Fourth Proportional to 30,412.81, 45,627.54 and 14,631.04

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Solution

The fourth proportional to 30,412.81, 45,627.54 and 14,631.04 is: 21,950.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,412.81 : 45,627.54 = 14,631.04 : x
  2. Step 2: Convert to fraction form
    30,412.81/45,627.54 = 14,631.04/x
  3. Step 3: Cross multiply
    30,412.81x = 45,627.54 × 14,631.04
  4. Step 4: Simplify right side
    30,412.81x = 667,578,362.84
  5. Step 5: Solve for x
    x = 667,578,362.84/30,412.81
  6. Step 6: Final answer
    x = 21,950.57

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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.