Home / 40,290.63-60,436.16-13,636.88

Finding the Fourth Proportional to 40,290.63, 60,436.16 and 13,636.88

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Solution

The fourth proportional to 40,290.63, 60,436.16 and 13,636.88 is: 20,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,290.63 : 60,436.16 = 13,636.88 : x
  2. Step 2: Convert to fraction form
    40,290.63/60,436.16 = 13,636.88/x
  3. Step 3: Cross multiply
    40,290.63x = 60,436.16 × 13,636.88
  4. Step 4: Simplify right side
    40,290.63x = 824,160,291.22
  5. Step 5: Solve for x
    x = 824,160,291.22/40,290.63
  6. Step 6: Final answer
    x = 20,455.38

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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.