Home / 30,320.36-45,396.57-15,497.36

Finding the Fourth Proportional to 30,320.36, 45,396.57 and 15,497.36

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Solution

The fourth proportional to 30,320.36, 45,396.57 and 15,497.36 is: 23,203.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320.36 : 45,396.57 = 15,497.36 : x
  2. Step 2: Convert to fraction form
    30,320.36/45,396.57 = 15,497.36/x
  3. Step 3: Cross multiply
    30,320.36x = 45,396.57 × 15,497.36
  4. Step 4: Simplify right side
    30,320.36x = 703,526,988.06
  5. Step 5: Solve for x
    x = 703,526,988.06/30,320.36
  6. Step 6: Final answer
    x = 23,203.12

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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.