Home / 31,683,907.22-43,759,455.81-21,413,055.38

Finding the Fourth Proportional to 31,683,907.22, 43,759,455.81 and 21,413,055.38

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Solution

The fourth proportional to 31,683,907.22, 43,759,455.81 and 21,413,055.38 is: 29,574,119.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,683,907.22 : 43,759,455.81 = 21,413,055.38 : x
  2. Step 2: Convert to fraction form
    31,683,907.22/43,759,455.81 = 21,413,055.38/x
  3. Step 3: Cross multiply
    31,683,907.22x = 43,759,455.81 × 21,413,055.38
  4. Step 4: Simplify right side
    31,683,907.22x = 937,023,650,658,192.75
  5. Step 5: Solve for x
    x = 937,023,650,658,192.75/31,683,907.22
  6. Step 6: Final answer
    x = 29,574,119.26

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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.