Home / 39,541.08-54,566.10-21,636.84

Finding the Fourth Proportional to 39,541.08, 54,566.10 and 21,636.84

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Solution

The fourth proportional to 39,541.08, 54,566.10 and 21,636.84 is: 29,858.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,541.08 : 54,566.10 = 21,636.84 : x
  2. Step 2: Convert to fraction form
    39,541.08/54,566.10 = 21,636.84/x
  3. Step 3: Cross multiply
    39,541.08x = 54,566.10 × 21,636.84
  4. Step 4: Simplify right side
    39,541.08x = 1,180,637,975.12
  5. Step 5: Solve for x
    x = 1,180,637,975.12/39,541.08
  6. Step 6: Final answer
    x = 29,858.52

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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.