Home / 30,931.24-46,392.06-10,154.60

Finding the Fourth Proportional to 30,931.24, 46,392.06 and 10,154.60

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Solution

The fourth proportional to 30,931.24, 46,392.06 and 10,154.60 is: 15,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,931.24 : 46,392.06 = 10,154.60 : x
  2. Step 2: Convert to fraction form
    30,931.24/46,392.06 = 10,154.60/x
  3. Step 3: Cross multiply
    30,931.24x = 46,392.06 × 10,154.60
  4. Step 4: Simplify right side
    30,931.24x = 471,092,812.48
  5. Step 5: Solve for x
    x = 471,092,812.48/30,931.24
  6. Step 6: Final answer
    x = 15,230.32

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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.