Home / 53,010.05-79,518.05-16,989.63

Finding the Fourth Proportional to 53,010.05, 79,518.05 and 16,989.63

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Solution

The fourth proportional to 53,010.05, 79,518.05 and 16,989.63 is: 25,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,010.05 : 79,518.05 = 16,989.63 : x
  2. Step 2: Convert to fraction form
    53,010.05/79,518.05 = 16,989.63/x
  3. Step 3: Cross multiply
    53,010.05x = 79,518.05 × 16,989.63
  4. Step 4: Simplify right side
    53,010.05x = 1,350,982,162.87
  5. Step 5: Solve for x
    x = 1,350,982,162.87/53,010.05
  6. Step 6: Final answer
    x = 25,485.40

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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.