Home / 32,788.02-45,266.13-21,642.42

Finding the Fourth Proportional to 32,788.02, 45,266.13 and 21,642.42

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Solution

The fourth proportional to 32,788.02, 45,266.13 and 21,642.42 is: 29,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,788.02 : 45,266.13 = 21,642.42 : x
  2. Step 2: Convert to fraction form
    32,788.02/45,266.13 = 21,642.42/x
  3. Step 3: Cross multiply
    32,788.02x = 45,266.13 × 21,642.42
  4. Step 4: Simplify right side
    32,788.02x = 979,668,597.23
  5. Step 5: Solve for x
    x = 979,668,597.23/32,788.02
  6. Step 6: Final answer
    x = 29,878.86

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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.