Home / 39,037.68-53,876.88-23,128.20

Finding the Fourth Proportional to 39,037.68, 53,876.88 and 23,128.20

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Solution

The fourth proportional to 39,037.68, 53,876.88 and 23,128.20 is: 31,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,037.68 : 53,876.88 = 23,128.20 : x
  2. Step 2: Convert to fraction form
    39,037.68/53,876.88 = 23,128.20/x
  3. Step 3: Cross multiply
    39,037.68x = 53,876.88 × 23,128.20
  4. Step 4: Simplify right side
    39,037.68x = 1,246,075,256.02
  5. Step 5: Solve for x
    x = 1,246,075,256.02/39,037.68
  6. Step 6: Final answer
    x = 31,919.81

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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.