Home / 38,154.02-52,653.19-21,158.98

Finding the Fourth Proportional to 38,154.02, 52,653.19 and 21,158.98

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Solution

The fourth proportional to 38,154.02, 52,653.19 and 21,158.98 is: 29,199.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,154.02 : 52,653.19 = 21,158.98 : x
  2. Step 2: Convert to fraction form
    38,154.02/52,653.19 = 21,158.98/x
  3. Step 3: Cross multiply
    38,154.02x = 52,653.19 × 21,158.98
  4. Step 4: Simplify right side
    38,154.02x = 1,114,087,794.15
  5. Step 5: Solve for x
    x = 1,114,087,794.15/38,154.02
  6. Step 6: Final answer
    x = 29,199.75

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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.