Home / 34,485.18-47,587.74-19,378.44

Finding the Fourth Proportional to 34,485.18, 47,587.74 and 19,378.44

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Solution

The fourth proportional to 34,485.18, 47,587.74 and 19,378.44 is: 26,741.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,485.18 : 47,587.74 = 19,378.44 : x
  2. Step 2: Convert to fraction form
    34,485.18/47,587.74 = 19,378.44/x
  3. Step 3: Cross multiply
    34,485.18x = 47,587.74 × 19,378.44
  4. Step 4: Simplify right side
    34,485.18x = 922,176,164.33
  5. Step 5: Solve for x
    x = 922,176,164.33/34,485.18
  6. Step 6: Final answer
    x = 26,741.23

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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.