Home / 30,009.57-44,988.81-18,330.99

Finding the Fourth Proportional to 30,009.57, 44,988.81 and 18,330.99

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Solution

The fourth proportional to 30,009.57, 44,988.81 and 18,330.99 is: 27,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009.57 : 44,988.81 = 18,330.99 : x
  2. Step 2: Convert to fraction form
    30,009.57/44,988.81 = 18,330.99/x
  3. Step 3: Cross multiply
    30,009.57x = 44,988.81 × 18,330.99
  4. Step 4: Simplify right side
    30,009.57x = 824,689,426.22
  5. Step 5: Solve for x
    x = 824,689,426.22/30,009.57
  6. Step 6: Final answer
    x = 27,480.88

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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.