Home / 39,585.02-54,627.41-21,435.94

Finding the Fourth Proportional to 39,585.02, 54,627.41 and 21,435.94

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Solution

The fourth proportional to 39,585.02, 54,627.41 and 21,435.94 is: 29,581.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,585.02 : 54,627.41 = 21,435.94 : x
  2. Step 2: Convert to fraction form
    39,585.02/54,627.41 = 21,435.94/x
  3. Step 3: Cross multiply
    39,585.02x = 54,627.41 × 21,435.94
  4. Step 4: Simplify right side
    39,585.02x = 1,170,989,883.12
  5. Step 5: Solve for x
    x = 1,170,989,883.12/39,585.02
  6. Step 6: Final answer
    x = 29,581.64

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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.