Home / 47,729.52-65,896.34-30,762.99

Finding the Fourth Proportional to 47,729.52, 65,896.34 and 30,762.99

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Solution

The fourth proportional to 47,729.52, 65,896.34 and 30,762.99 is: 42,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,729.52 : 65,896.34 = 30,762.99 : x
  2. Step 2: Convert to fraction form
    47,729.52/65,896.34 = 30,762.99/x
  3. Step 3: Cross multiply
    47,729.52x = 65,896.34 × 30,762.99
  4. Step 4: Simplify right side
    47,729.52x = 2,027,168,294.64
  5. Step 5: Solve for x
    x = 2,027,168,294.64/47,729.52
  6. Step 6: Final answer
    x = 42,472.00

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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.