Home / 32,878.90-45,371.97-18,538.60

Finding the Fourth Proportional to 32,878.90, 45,371.97 and 18,538.60

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Solution

The fourth proportional to 32,878.90, 45,371.97 and 18,538.60 is: 25,582.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,878.90 : 45,371.97 = 18,538.60 : x
  2. Step 2: Convert to fraction form
    32,878.90/45,371.97 = 18,538.60/x
  3. Step 3: Cross multiply
    32,878.90x = 45,371.97 × 18,538.60
  4. Step 4: Simplify right side
    32,878.90x = 841,132,803.04
  5. Step 5: Solve for x
    x = 841,132,803.04/32,878.90
  6. Step 6: Final answer
    x = 25,582.75

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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.