Home / 30,047.49-45,081.63-11,332.89

Finding the Fourth Proportional to 30,047.49, 45,081.63 and 11,332.89

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Solution

The fourth proportional to 30,047.49, 45,081.63 and 11,332.89 is: 17,003.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,047.49 : 45,081.63 = 11,332.89 : x
  2. Step 2: Convert to fraction form
    30,047.49/45,081.63 = 11,332.89/x
  3. Step 3: Cross multiply
    30,047.49x = 45,081.63 × 11,332.89
  4. Step 4: Simplify right side
    30,047.49x = 510,905,153.81
  5. Step 5: Solve for x
    x = 510,905,153.81/30,047.49
  6. Step 6: Final answer
    x = 17,003.26

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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.