Home / 53,004.51-79,506.63-13,561.56

Finding the Fourth Proportional to 53,004.51, 79,506.63 and 13,561.56

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Solution

The fourth proportional to 53,004.51, 79,506.63 and 13,561.56 is: 20,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,004.51 : 79,506.63 = 13,561.56 : x
  2. Step 2: Convert to fraction form
    53,004.51/79,506.63 = 13,561.56/x
  3. Step 3: Cross multiply
    53,004.51x = 79,506.63 × 13,561.56
  4. Step 4: Simplify right side
    53,004.51x = 1,078,233,933.14
  5. Step 5: Solve for x
    x = 1,078,233,933.14/53,004.51
  6. Step 6: Final answer
    x = 20,342.31

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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.