Home / 46,220.09-69,330.14-12,945.09

Finding the Fourth Proportional to 46,220.09, 69,330.14 and 12,945.09

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Solution

The fourth proportional to 46,220.09, 69,330.14 and 12,945.09 is: 19,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,220.09 : 69,330.14 = 12,945.09 : x
  2. Step 2: Convert to fraction form
    46,220.09/69,330.14 = 12,945.09/x
  3. Step 3: Cross multiply
    46,220.09x = 69,330.14 × 12,945.09
  4. Step 4: Simplify right side
    46,220.09x = 897,484,577.30
  5. Step 5: Solve for x
    x = 897,484,577.30/46,220.09
  6. Step 6: Final answer
    x = 19,417.63

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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.