Home / 53,113.80-79,674.30-18,056.10

Finding the Fourth Proportional to 53,113.80, 79,674.30 and 18,056.10

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Solution

The fourth proportional to 53,113.80, 79,674.30 and 18,056.10 is: 27,085.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,113.80 : 79,674.30 = 18,056.10 : x
  2. Step 2: Convert to fraction form
    53,113.80/79,674.30 = 18,056.10/x
  3. Step 3: Cross multiply
    53,113.80x = 79,674.30 × 18,056.10
  4. Step 4: Simplify right side
    53,113.80x = 1,438,607,128.23
  5. Step 5: Solve for x
    x = 1,438,607,128.23/53,113.80
  6. Step 6: Final answer
    x = 27,085.37

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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.