Home / 34,707.15-47,892.47-20,557.26

Finding the Fourth Proportional to 34,707.15, 47,892.47 and 20,557.26

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Solution

The fourth proportional to 34,707.15, 47,892.47 and 20,557.26 is: 28,367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,707.15 : 47,892.47 = 20,557.26 : x
  2. Step 2: Convert to fraction form
    34,707.15/47,892.47 = 20,557.26/x
  3. Step 3: Cross multiply
    34,707.15x = 47,892.47 × 20,557.26
  4. Step 4: Simplify right side
    34,707.15x = 984,537,855.05
  5. Step 5: Solve for x
    x = 984,537,855.05/34,707.15
  6. Step 6: Final answer
    x = 28,367.00

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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.