Home / 46,290.02-69,379.40-21,295.64

Finding the Fourth Proportional to 46,290.02, 69,379.40 and 21,295.64

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Solution

The fourth proportional to 46,290.02, 69,379.40 and 21,295.64 is: 31,917.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,290.02 : 69,379.40 = 21,295.64 : x
  2. Step 2: Convert to fraction form
    46,290.02/69,379.40 = 21,295.64/x
  3. Step 3: Cross multiply
    46,290.02x = 69,379.40 × 21,295.64
  4. Step 4: Simplify right side
    46,290.02x = 1,477,478,725.82
  5. Step 5: Solve for x
    x = 1,477,478,725.82/46,290.02
  6. Step 6: Final answer
    x = 31,917.87

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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.