Home / 30,341.03-45,495.06-13,681.56

Finding the Fourth Proportional to 30,341.03, 45,495.06 and 13,681.56

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Solution

The fourth proportional to 30,341.03, 45,495.06 and 13,681.56 is: 20,514.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,341.03 : 45,495.06 = 13,681.56 : x
  2. Step 2: Convert to fraction form
    30,341.03/45,495.06 = 13,681.56/x
  3. Step 3: Cross multiply
    30,341.03x = 45,495.06 × 13,681.56
  4. Step 4: Simplify right side
    30,341.03x = 622,443,393.09
  5. Step 5: Solve for x
    x = 622,443,393.09/30,341.03
  6. Step 6: Final answer
    x = 20,514.91

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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.