Home / 47,020.50-70,534.85-11,960.16

Finding the Fourth Proportional to 47,020.50, 70,534.85 and 11,960.16

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Solution

The fourth proportional to 47,020.50, 70,534.85 and 11,960.16 is: 17,941.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,020.50 : 70,534.85 = 11,960.16 : x
  2. Step 2: Convert to fraction form
    47,020.50/70,534.85 = 11,960.16/x
  3. Step 3: Cross multiply
    47,020.50x = 70,534.85 × 11,960.16
  4. Step 4: Simplify right side
    47,020.50x = 843,607,834.55
  5. Step 5: Solve for x
    x = 843,607,834.55/47,020.50
  6. Step 6: Final answer
    x = 17,941.28

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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.