Home / 47,785.24-65,973.12-30,795.48

Finding the Fourth Proportional to 47,785.24, 65,973.12 and 30,795.48

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Solution

The fourth proportional to 47,785.24, 65,973.12 and 30,795.48 is: 42,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,785.24 : 65,973.12 = 30,795.48 : x
  2. Step 2: Convert to fraction form
    47,785.24/65,973.12 = 30,795.48/x
  3. Step 3: Cross multiply
    47,785.24x = 65,973.12 × 30,795.48
  4. Step 4: Simplify right side
    47,785.24x = 2,031,673,897.50
  5. Step 5: Solve for x
    x = 2,031,673,897.50/47,785.24
  6. Step 6: Final answer
    x = 42,516.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.