Home / 30,302.16-45,453.36-9,242.16

Finding the Fourth Proportional to 30,302.16, 45,453.36 and 9,242.16

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Solution

The fourth proportional to 30,302.16, 45,453.36 and 9,242.16 is: 13,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302.16 : 45,453.36 = 9,242.16 : x
  2. Step 2: Convert to fraction form
    30,302.16/45,453.36 = 9,242.16/x
  3. Step 3: Cross multiply
    30,302.16x = 45,453.36 × 9,242.16
  4. Step 4: Simplify right side
    30,302.16x = 420,087,225.66
  5. Step 5: Solve for x
    x = 420,087,225.66/30,302.16
  6. Step 6: Final answer
    x = 13,863.28

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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.