Home / 30,749.12-46,125.28-9,971.04

Finding the Fourth Proportional to 30,749.12, 46,125.28 and 9,971.04

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Solution

The fourth proportional to 30,749.12, 46,125.28 and 9,971.04 is: 14,957.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,749.12 : 46,125.28 = 9,971.04 : x
  2. Step 2: Convert to fraction form
    30,749.12/46,125.28 = 9,971.04/x
  3. Step 3: Cross multiply
    30,749.12x = 46,125.28 × 9,971.04
  4. Step 4: Simplify right side
    30,749.12x = 459,917,011.89
  5. Step 5: Solve for x
    x = 459,917,011.89/30,749.12
  6. Step 6: Final answer
    x = 14,957.08

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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.