Home / 47,554.06-65,620.02-28,430.02

Finding the Fourth Proportional to 47,554.06, 65,620.02 and 28,430.02

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Solution

The fourth proportional to 47,554.06, 65,620.02 and 28,430.02 is: 39,230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,554.06 : 65,620.02 = 28,430.02 : x
  2. Step 2: Convert to fraction form
    47,554.06/65,620.02 = 28,430.02/x
  3. Step 3: Cross multiply
    47,554.06x = 65,620.02 × 28,430.02
  4. Step 4: Simplify right side
    47,554.06x = 1,865,578,481.00
  5. Step 5: Solve for x
    x = 1,865,578,481.00/47,554.06
  6. Step 6: Final answer
    x = 39,230.69

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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.