Home / 35,899.91-53,971.50-28,928.87

Finding the Fourth Proportional to 35,899.91, 53,971.50 and 28,928.87

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Solution

The fourth proportional to 35,899.91, 53,971.50 and 28,928.87 is: 43,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,899.91 : 53,971.50 = 28,928.87 : x
  2. Step 2: Convert to fraction form
    35,899.91/53,971.50 = 28,928.87/x
  3. Step 3: Cross multiply
    35,899.91x = 53,971.50 × 28,928.87
  4. Step 4: Simplify right side
    35,899.91x = 1,561,334,507.21
  5. Step 5: Solve for x
    x = 1,561,334,507.21/35,899.91
  6. Step 6: Final answer
    x = 43,491.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.