Home / 35,455.38-53,192.31-13,270.50

Finding the Fourth Proportional to 35,455.38, 53,192.31 and 13,270.50

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Solution

The fourth proportional to 35,455.38, 53,192.31 and 13,270.50 is: 19,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455.38 : 53,192.31 = 13,270.50 : x
  2. Step 2: Convert to fraction form
    35,455.38/53,192.31 = 13,270.50/x
  3. Step 3: Cross multiply
    35,455.38x = 53,192.31 × 13,270.50
  4. Step 4: Simplify right side
    35,455.38x = 705,888,549.86
  5. Step 5: Solve for x
    x = 705,888,549.86/35,455.38
  6. Step 6: Final answer
    x = 19,909.21

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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.