Home / 57,457.76-79,301.43-33,255.21

Finding the Fourth Proportional to 57,457.76, 79,301.43 and 33,255.21

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Solution

The fourth proportional to 57,457.76, 79,301.43 and 33,255.21 is: 45,897.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,457.76 : 79,301.43 = 33,255.21 : x
  2. Step 2: Convert to fraction form
    57,457.76/79,301.43 = 33,255.21/x
  3. Step 3: Cross multiply
    57,457.76x = 79,301.43 × 33,255.21
  4. Step 4: Simplify right side
    57,457.76x = 2,637,185,559.26
  5. Step 5: Solve for x
    x = 2,637,185,559.26/57,457.76
  6. Step 6: Final answer
    x = 45,897.82

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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.