Home / 47,055.78-70,592.85-13,776.39

Finding the Fourth Proportional to 47,055.78, 70,592.85 and 13,776.39

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Solution

The fourth proportional to 47,055.78, 70,592.85 and 13,776.39 is: 20,667.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,055.78 : 70,592.85 = 13,776.39 : x
  2. Step 2: Convert to fraction form
    47,055.78/70,592.85 = 13,776.39/x
  3. Step 3: Cross multiply
    47,055.78x = 70,592.85 × 13,776.39
  4. Step 4: Simplify right side
    47,055.78x = 972,514,632.81
  5. Step 5: Solve for x
    x = 972,514,632.81/47,055.78
  6. Step 6: Final answer
    x = 20,667.27

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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.