Home / 34,021.16-46,948.92-18,913.76

Finding the Fourth Proportional to 34,021.16, 46,948.92 and 18,913.76

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Solution

The fourth proportional to 34,021.16, 46,948.92 and 18,913.76 is: 26,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,021.16 : 46,948.92 = 18,913.76 : x
  2. Step 2: Convert to fraction form
    34,021.16/46,948.92 = 18,913.76/x
  3. Step 3: Cross multiply
    34,021.16x = 46,948.92 × 18,913.76
  4. Step 4: Simplify right side
    34,021.16x = 887,980,605.14
  5. Step 5: Solve for x
    x = 887,980,605.14/34,021.16
  6. Step 6: Final answer
    x = 26,100.83

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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.