Home / 35,907.18-53,864.45-13,739.20

Finding the Fourth Proportional to 35,907.18, 53,864.45 and 13,739.20

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Solution

The fourth proportional to 35,907.18, 53,864.45 and 13,739.20 is: 20,610.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,907.18 : 53,864.45 = 13,739.20 : x
  2. Step 2: Convert to fraction form
    35,907.18/53,864.45 = 13,739.20/x
  3. Step 3: Cross multiply
    35,907.18x = 53,864.45 × 13,739.20
  4. Step 4: Simplify right side
    35,907.18x = 740,054,299.60
  5. Step 5: Solve for x
    x = 740,054,299.60/35,907.18
  6. Step 6: Final answer
    x = 20,610.21

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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.