Home / 35,438.04-53,190-17,920.44

Finding the Fourth Proportional to 35,438.04, 53,190 and 17,920.44

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Solution

The fourth proportional to 35,438.04, 53,190 and 17,920.44 is: 26,897.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,438.04 : 53,190 = 17,920.44 : x
  2. Step 2: Convert to fraction form
    35,438.04/53,190 = 17,920.44/x
  3. Step 3: Cross multiply
    35,438.04x = 53,190 × 17,920.44
  4. Step 4: Simplify right side
    35,438.04x = 953,188,203.60
  5. Step 5: Solve for x
    x = 953,188,203.60/35,438.04
  6. Step 6: Final answer
    x = 26,897.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.