Home / 53,004.87-79,506.89-13,561.92

Finding the Fourth Proportional to 53,004.87, 79,506.89 and 13,561.92

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Solution

The fourth proportional to 53,004.87, 79,506.89 and 13,561.92 is: 20,342.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,004.87 : 79,506.89 = 13,561.92 : x
  2. Step 2: Convert to fraction form
    53,004.87/79,506.89 = 13,561.92/x
  3. Step 3: Cross multiply
    53,004.87x = 79,506.89 × 13,561.92
  4. Step 4: Simplify right side
    53,004.87x = 1,078,266,081.63
  5. Step 5: Solve for x
    x = 1,078,266,081.63/53,004.87
  6. Step 6: Final answer
    x = 20,342.77

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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.