Home / 30,107.04-45,163.76-9,332.16

Finding the Fourth Proportional to 30,107.04, 45,163.76 and 9,332.16

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Solution

The fourth proportional to 30,107.04, 45,163.76 and 9,332.16 is: 13,999.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107.04 : 45,163.76 = 9,332.16 : x
  2. Step 2: Convert to fraction form
    30,107.04/45,163.76 = 9,332.16/x
  3. Step 3: Cross multiply
    30,107.04x = 45,163.76 × 9,332.16
  4. Step 4: Simplify right side
    30,107.04x = 421,475,434.52
  5. Step 5: Solve for x
    x = 421,475,434.52/30,107.04
  6. Step 6: Final answer
    x = 13,999.23

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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.