Home / 43,792.40-65,448.66-31,971.08

Finding the Fourth Proportional to 43,792.40, 65,448.66 and 31,971.08

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Solution

The fourth proportional to 43,792.40, 65,448.66 and 31,971.08 is: 47,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,792.40 : 65,448.66 = 31,971.08 : x
  2. Step 2: Convert to fraction form
    43,792.40/65,448.66 = 31,971.08/x
  3. Step 3: Cross multiply
    43,792.40x = 65,448.66 × 31,971.08
  4. Step 4: Simplify right side
    43,792.40x = 2,092,464,184.90
  5. Step 5: Solve for x
    x = 2,092,464,184.90/43,792.40
  6. Step 6: Final answer
    x = 47,781.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.