Home / 47,485.58-65,538.85-30,511.04

Finding the Fourth Proportional to 47,485.58, 65,538.85 and 30,511.04

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Solution

The fourth proportional to 47,485.58, 65,538.85 and 30,511.04 is: 42,110.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,485.58 : 65,538.85 = 30,511.04 : x
  2. Step 2: Convert to fraction form
    47,485.58/65,538.85 = 30,511.04/x
  3. Step 3: Cross multiply
    47,485.58x = 65,538.85 × 30,511.04
  4. Step 4: Simplify right side
    47,485.58x = 1,999,658,502.15
  5. Step 5: Solve for x
    x = 1,999,658,502.15/47,485.58
  6. Step 6: Final answer
    x = 42,110.86

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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.