Home / 47,777.06-65,913.98-30,779.97

Finding the Fourth Proportional to 47,777.06, 65,913.98 and 30,779.97

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Solution

The fourth proportional to 47,777.06, 65,913.98 and 30,779.97 is: 42,464.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,777.06 : 65,913.98 = 30,779.97 : x
  2. Step 2: Convert to fraction form
    47,777.06/65,913.98 = 30,779.97/x
  3. Step 3: Cross multiply
    47,777.06x = 65,913.98 × 30,779.97
  4. Step 4: Simplify right side
    47,777.06x = 2,028,830,173.08
  5. Step 5: Solve for x
    x = 2,028,830,173.08/47,777.06
  6. Step 6: Final answer
    x = 42,464.53

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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.