Home / 31,307.23-46,962.98-12,587.26

Finding the Fourth Proportional to 31,307.23, 46,962.98 and 12,587.26

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Solution

The fourth proportional to 31,307.23, 46,962.98 and 12,587.26 is: 18,881.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307.23 : 46,962.98 = 12,587.26 : x
  2. Step 2: Convert to fraction form
    31,307.23/46,962.98 = 12,587.26/x
  3. Step 3: Cross multiply
    31,307.23x = 46,962.98 × 12,587.26
  4. Step 4: Simplify right side
    31,307.23x = 591,135,239.63
  5. Step 5: Solve for x
    x = 591,135,239.63/31,307.23
  6. Step 6: Final answer
    x = 18,881.75

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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.