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Finding the Fourth Proportional to 35,426.01, 48,892.51 and 20,315.71

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Solution

The fourth proportional to 35,426.01, 48,892.51 and 20,315.71 is: 28,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,426.01 : 48,892.51 = 20,315.71 : x
  2. Step 2: Convert to fraction form
    35,426.01/48,892.51 = 20,315.71/x
  3. Step 3: Cross multiply
    35,426.01x = 48,892.51 × 20,315.71
  4. Step 4: Simplify right side
    35,426.01x = 993,286,140.84
  5. Step 5: Solve for x
    x = 993,286,140.84/35,426.01
  6. Step 6: Final answer
    x = 28,038.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.