Home / 58,710.13-81,020.21-31,852.83

Finding the Fourth Proportional to 58,710.13, 81,020.21 and 31,852.83

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Solution

The fourth proportional to 58,710.13, 81,020.21 and 31,852.83 is: 43,957.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,710.13 : 81,020.21 = 31,852.83 : x
  2. Step 2: Convert to fraction form
    58,710.13/81,020.21 = 31,852.83/x
  3. Step 3: Cross multiply
    58,710.13x = 81,020.21 × 31,852.83
  4. Step 4: Simplify right side
    58,710.13x = 2,580,722,975.69
  5. Step 5: Solve for x
    x = 2,580,722,975.69/58,710.13
  6. Step 6: Final answer
    x = 43,957.03

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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.