Home / 58,720.75-81,032.39-31,862.36

Finding the Fourth Proportional to 58,720.75, 81,032.39 and 31,862.36

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Solution

The fourth proportional to 58,720.75, 81,032.39 and 31,862.36 is: 43,968.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,720.75 : 81,032.39 = 31,862.36 : x
  2. Step 2: Convert to fraction form
    58,720.75/81,032.39 = 31,862.36/x
  3. Step 3: Cross multiply
    58,720.75x = 81,032.39 × 31,862.36
  4. Step 4: Simplify right side
    58,720.75x = 2,581,883,181.84
  5. Step 5: Solve for x
    x = 2,581,883,181.84/58,720.75
  6. Step 6: Final answer
    x = 43,968.84

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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.