Home / 39,010.96-53,890.23-31,042.99

Finding the Fourth Proportional to 39,010.96, 53,890.23 and 31,042.99

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Solution

The fourth proportional to 39,010.96, 53,890.23 and 31,042.99 is: 42,883.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,010.96 : 53,890.23 = 31,042.99 : x
  2. Step 2: Convert to fraction form
    39,010.96/53,890.23 = 31,042.99/x
  3. Step 3: Cross multiply
    39,010.96x = 53,890.23 × 31,042.99
  4. Step 4: Simplify right side
    39,010.96x = 1,672,913,852.67
  5. Step 5: Solve for x
    x = 1,672,913,852.67/39,010.96
  6. Step 6: Final answer
    x = 42,883.18

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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.