Home / 47,071.17-70,616.48-13,792.32

Finding the Fourth Proportional to 47,071.17, 70,616.48 and 13,792.32

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Solution

The fourth proportional to 47,071.17, 70,616.48 and 13,792.32 is: 20,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,071.17 : 70,616.48 = 13,792.32 : x
  2. Step 2: Convert to fraction form
    47,071.17/70,616.48 = 13,792.32/x
  3. Step 3: Cross multiply
    47,071.17x = 70,616.48 × 13,792.32
  4. Step 4: Simplify right side
    47,071.17x = 973,965,020.47
  5. Step 5: Solve for x
    x = 973,965,020.47/47,071.17
  6. Step 6: Final answer
    x = 20,691.33

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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.