Home / 53,148.04-79,726.64-13,704.82

Finding the Fourth Proportional to 53,148.04, 79,726.64 and 13,704.82

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Solution

The fourth proportional to 53,148.04, 79,726.64 and 13,704.82 is: 20,558.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,148.04 : 79,726.64 = 13,704.82 : x
  2. Step 2: Convert to fraction form
    53,148.04/79,726.64 = 13,704.82/x
  3. Step 3: Cross multiply
    53,148.04x = 79,726.64 × 13,704.82
  4. Step 4: Simplify right side
    53,148.04x = 1,092,639,250.40
  5. Step 5: Solve for x
    x = 1,092,639,250.40/53,148.04
  6. Step 6: Final answer
    x = 20,558.41

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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.