Home / 47,904.07-71,856.65-18,323.41

Finding the Fourth Proportional to 47,904.07, 71,856.65 and 18,323.41

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Solution

The fourth proportional to 47,904.07, 71,856.65 and 18,323.41 is: 27,485.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,904.07 : 71,856.65 = 18,323.41 : x
  2. Step 2: Convert to fraction form
    47,904.07/71,856.65 = 18,323.41/x
  3. Step 3: Cross multiply
    47,904.07x = 71,856.65 × 18,323.41
  4. Step 4: Simplify right side
    47,904.07x = 1,316,658,859.18
  5. Step 5: Solve for x
    x = 1,316,658,859.18/47,904.07
  6. Step 6: Final answer
    x = 27,485.32

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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.