Home / 53,245.05-79,867.50-13,802.20

Finding the Fourth Proportional to 53,245.05, 79,867.50 and 13,802.20

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Solution

The fourth proportional to 53,245.05, 79,867.50 and 13,802.20 is: 20,703.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,245.05 : 79,867.50 = 13,802.20 : x
  2. Step 2: Convert to fraction form
    53,245.05/79,867.50 = 13,802.20/x
  3. Step 3: Cross multiply
    53,245.05x = 79,867.50 × 13,802.20
  4. Step 4: Simplify right side
    53,245.05x = 1,102,347,208.50
  5. Step 5: Solve for x
    x = 1,102,347,208.50/53,245.05
  6. Step 6: Final answer
    x = 20,703.28

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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.