Home / 30,013.00-45,019.98-10,305.38

Finding the Fourth Proportional to 30,013.00, 45,019.98 and 10,305.38

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Solution

The fourth proportional to 30,013.00, 45,019.98 and 10,305.38 is: 15,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,013.00 : 45,019.98 = 10,305.38 : x
  2. Step 2: Convert to fraction form
    30,013.00/45,019.98 = 10,305.38/x
  3. Step 3: Cross multiply
    30,013.00x = 45,019.98 × 10,305.38
  4. Step 4: Simplify right side
    30,013.00x = 463,948,114.04
  5. Step 5: Solve for x
    x = 463,948,114.04/30,013.00
  6. Step 6: Final answer
    x = 15,458.24

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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.