Home / 30,013.84-45,032.87-13,362.49

Finding the Fourth Proportional to 30,013.84, 45,032.87 and 13,362.49

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Solution

The fourth proportional to 30,013.84, 45,032.87 and 13,362.49 is: 20,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,013.84 : 45,032.87 = 13,362.49 : x
  2. Step 2: Convert to fraction form
    30,013.84/45,032.87 = 13,362.49/x
  3. Step 3: Cross multiply
    30,013.84x = 45,032.87 × 13,362.49
  4. Step 4: Simplify right side
    30,013.84x = 601,751,510.19
  5. Step 5: Solve for x
    x = 601,751,510.19/30,013.84
  6. Step 6: Final answer
    x = 20,049.13

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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.