Home / 43,802.21-65,463.27-31,980.89

Finding the Fourth Proportional to 43,802.21, 65,463.27 and 31,980.89

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Solution

The fourth proportional to 43,802.21, 65,463.27 and 31,980.89 is: 47,796.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,802.21 : 65,463.27 = 31,980.89 : x
  2. Step 2: Convert to fraction form
    43,802.21/65,463.27 = 31,980.89/x
  3. Step 3: Cross multiply
    43,802.21x = 65,463.27 × 31,980.89
  4. Step 4: Simplify right side
    43,802.21x = 2,093,573,309.59
  5. Step 5: Solve for x
    x = 2,093,573,309.59/43,802.21
  6. Step 6: Final answer
    x = 47,796.07

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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.