Home / 34,277.40-51,464.70-21,155.40

Finding the Fourth Proportional to 34,277.40, 51,464.70 and 21,155.40

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Solution

The fourth proportional to 34,277.40, 51,464.70 and 21,155.40 is: 31,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,277.40 : 51,464.70 = 21,155.40 : x
  2. Step 2: Convert to fraction form
    34,277.40/51,464.70 = 21,155.40/x
  3. Step 3: Cross multiply
    34,277.40x = 51,464.70 × 21,155.40
  4. Step 4: Simplify right side
    34,277.40x = 1,088,756,314.38
  5. Step 5: Solve for x
    x = 1,088,756,314.38/34,277.40
  6. Step 6: Final answer
    x = 31,763.10

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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.