Home / 58,708.63-81,018.15-31,851.33

Finding the Fourth Proportional to 58,708.63, 81,018.15 and 31,851.33

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Solution

The fourth proportional to 58,708.63, 81,018.15 and 31,851.33 is: 43,954.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,708.63 : 81,018.15 = 31,851.33 : x
  2. Step 2: Convert to fraction form
    58,708.63/81,018.15 = 31,851.33/x
  3. Step 3: Cross multiply
    58,708.63x = 81,018.15 × 31,851.33
  4. Step 4: Simplify right side
    58,708.63x = 2,580,535,672.38
  5. Step 5: Solve for x
    x = 2,580,535,672.38/58,708.63
  6. Step 6: Final answer
    x = 43,954.97

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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.