Home / 53,004.02-79,508.78-13,561.46

Finding the Fourth Proportional to 53,004.02, 79,508.78 and 13,561.46

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Solution

The fourth proportional to 53,004.02, 79,508.78 and 13,561.46 is: 20,342.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,004.02 : 79,508.78 = 13,561.46 : x
  2. Step 2: Convert to fraction form
    53,004.02/79,508.78 = 13,561.46/x
  3. Step 3: Cross multiply
    53,004.02x = 79,508.78 × 13,561.46
  4. Step 4: Simplify right side
    53,004.02x = 1,078,255,139.62
  5. Step 5: Solve for x
    x = 1,078,255,139.62/53,004.02
  6. Step 6: Final answer
    x = 20,342.89

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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.