Home / 47,428.74-71,143.08-14,172.14

Finding the Fourth Proportional to 47,428.74, 71,143.08 and 14,172.14

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Solution

The fourth proportional to 47,428.74, 71,143.08 and 14,172.14 is: 21,258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,428.74 : 71,143.08 = 14,172.14 : x
  2. Step 2: Convert to fraction form
    47,428.74/71,143.08 = 14,172.14/x
  3. Step 3: Cross multiply
    47,428.74x = 71,143.08 × 14,172.14
  4. Step 4: Simplify right side
    47,428.74x = 1,008,249,334.08
  5. Step 5: Solve for x
    x = 1,008,249,334.08/47,428.74
  6. Step 6: Final answer
    x = 21,258.19

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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.