Home / 58,708.65-81,017.96-31,851.57

Finding the Fourth Proportional to 58,708.65, 81,017.96 and 31,851.57

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Solution

The fourth proportional to 58,708.65, 81,017.96 and 31,851.57 is: 43,955.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,708.65 : 81,017.96 = 31,851.57 : x
  2. Step 2: Convert to fraction form
    58,708.65/81,017.96 = 31,851.57/x
  3. Step 3: Cross multiply
    58,708.65x = 81,017.96 × 31,851.57
  4. Step 4: Simplify right side
    58,708.65x = 2,580,549,064.94
  5. Step 5: Solve for x
    x = 2,580,549,064.94/58,708.65
  6. Step 6: Final answer
    x = 43,955.18

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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.