Home / 53,075.27-79,613.71-13,631.51

Finding the Fourth Proportional to 53,075.27, 79,613.71 and 13,631.51

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Solution

The fourth proportional to 53,075.27, 79,613.71 and 13,631.51 is: 20,447.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,075.27 : 79,613.71 = 13,631.51 : x
  2. Step 2: Convert to fraction form
    53,075.27/79,613.71 = 13,631.51/x
  3. Step 3: Cross multiply
    53,075.27x = 79,613.71 × 13,631.51
  4. Step 4: Simplify right side
    53,075.27x = 1,085,255,248.96
  5. Step 5: Solve for x
    x = 1,085,255,248.96/53,075.27
  6. Step 6: Final answer
    x = 20,447.47

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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.