Home / 30,127.56-41,588.76-18,802.68

Finding the Fourth Proportional to 30,127.56, 41,588.76 and 18,802.68

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Solution

The fourth proportional to 30,127.56, 41,588.76 and 18,802.68 is: 25,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.56 : 41,588.76 = 18,802.68 : x
  2. Step 2: Convert to fraction form
    30,127.56/41,588.76 = 18,802.68/x
  3. Step 3: Cross multiply
    30,127.56x = 41,588.76 × 18,802.68
  4. Step 4: Simplify right side
    30,127.56x = 781,980,145.88
  5. Step 5: Solve for x
    x = 781,980,145.88/30,127.56
  6. Step 6: Final answer
    x = 25,955.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.