Home / 38,012.02-52,457.70-21,245.02

Finding the Fourth Proportional to 38,012.02, 52,457.70 and 21,245.02

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Solution

The fourth proportional to 38,012.02, 52,457.70 and 21,245.02 is: 29,318.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,012.02 : 52,457.70 = 21,245.02 : x
  2. Step 2: Convert to fraction form
    38,012.02/52,457.70 = 21,245.02/x
  3. Step 3: Cross multiply
    38,012.02x = 52,457.70 × 21,245.02
  4. Step 4: Simplify right side
    38,012.02x = 1,114,464,885.65
  5. Step 5: Solve for x
    x = 1,114,464,885.65/38,012.02
  6. Step 6: Final answer
    x = 29,318.75

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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.