Home / 34,543.08-47,669.38-19,435.75

Finding the Fourth Proportional to 34,543.08, 47,669.38 and 19,435.75

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Solution

The fourth proportional to 34,543.08, 47,669.38 and 19,435.75 is: 26,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,543.08 : 47,669.38 = 19,435.75 : x
  2. Step 2: Convert to fraction form
    34,543.08/47,669.38 = 19,435.75/x
  3. Step 3: Cross multiply
    34,543.08x = 47,669.38 × 19,435.75
  4. Step 4: Simplify right side
    34,543.08x = 926,490,152.34
  5. Step 5: Solve for x
    x = 926,490,152.34/34,543.08
  6. Step 6: Final answer
    x = 26,821.30

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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.