Home / 53,075.02-79,613.34-13,631.26

Finding the Fourth Proportional to 53,075.02, 79,613.34 and 13,631.26

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Solution

The fourth proportional to 53,075.02, 79,613.34 and 13,631.26 is: 20,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,075.02 : 79,613.34 = 13,631.26 : x
  2. Step 2: Convert to fraction form
    53,075.02/79,613.34 = 13,631.26/x
  3. Step 3: Cross multiply
    53,075.02x = 79,613.34 × 13,631.26
  4. Step 4: Simplify right side
    53,075.02x = 1,085,230,137.01
  5. Step 5: Solve for x
    x = 1,085,230,137.01/53,075.02
  6. Step 6: Final answer
    x = 20,447.10

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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.