Home / 35,783.36-53,653.77-13,598.37

Finding the Fourth Proportional to 35,783.36, 53,653.77 and 13,598.37

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Solution

The fourth proportional to 35,783.36, 53,653.77 and 13,598.37 is: 20,389.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,783.36 : 53,653.77 = 13,598.37 : x
  2. Step 2: Convert to fraction form
    35,783.36/53,653.77 = 13,598.37/x
  3. Step 3: Cross multiply
    35,783.36x = 53,653.77 × 13,598.37
  4. Step 4: Simplify right side
    35,783.36x = 729,603,816.35
  5. Step 5: Solve for x
    x = 729,603,816.35/35,783.36
  6. Step 6: Final answer
    x = 20,389.47

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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.