Home / 47,565.02-65,640.21-28,698.50

Finding the Fourth Proportional to 47,565.02, 65,640.21 and 28,698.50

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Solution

The fourth proportional to 47,565.02, 65,640.21 and 28,698.50 is: 39,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,565.02 : 65,640.21 = 28,698.50 : x
  2. Step 2: Convert to fraction form
    47,565.02/65,640.21 = 28,698.50/x
  3. Step 3: Cross multiply
    47,565.02x = 65,640.21 × 28,698.50
  4. Step 4: Simplify right side
    47,565.02x = 1,883,775,566.69
  5. Step 5: Solve for x
    x = 1,883,775,566.69/47,565.02
  6. Step 6: Final answer
    x = 39,604.22

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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.