Home / 39,056.10-53,897.43-21,151.18

Finding the Fourth Proportional to 39,056.10, 53,897.43 and 21,151.18

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Solution

The fourth proportional to 39,056.10, 53,897.43 and 21,151.18 is: 29,188.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,056.10 : 53,897.43 = 21,151.18 : x
  2. Step 2: Convert to fraction form
    39,056.10/53,897.43 = 21,151.18/x
  3. Step 3: Cross multiply
    39,056.10x = 53,897.43 × 21,151.18
  4. Step 4: Simplify right side
    39,056.10x = 1,139,994,243.47
  5. Step 5: Solve for x
    x = 1,139,994,243.47/39,056.10
  6. Step 6: Final answer
    x = 29,188.63

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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.