Home / 34,073.90-47,021.64-18,966.32

Finding the Fourth Proportional to 34,073.90, 47,021.64 and 18,966.32

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Solution

The fourth proportional to 34,073.90, 47,021.64 and 18,966.32 is: 26,173.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,073.90 : 47,021.64 = 18,966.32 : x
  2. Step 2: Convert to fraction form
    34,073.90/47,021.64 = 18,966.32/x
  3. Step 3: Cross multiply
    34,073.90x = 47,021.64 × 18,966.32
  4. Step 4: Simplify right side
    34,073.90x = 891,827,471.16
  5. Step 5: Solve for x
    x = 891,827,471.16/34,073.90
  6. Step 6: Final answer
    x = 26,173.33

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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.