Home / 35,344.57-48,774.26-19,428.90

Finding the Fourth Proportional to 35,344.57, 48,774.26 and 19,428.90

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Solution

The fourth proportional to 35,344.57, 48,774.26 and 19,428.90 is: 26,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,344.57 : 48,774.26 = 19,428.90 : x
  2. Step 2: Convert to fraction form
    35,344.57/48,774.26 = 19,428.90/x
  3. Step 3: Cross multiply
    35,344.57x = 48,774.26 × 19,428.90
  4. Step 4: Simplify right side
    35,344.57x = 947,630,268.69
  5. Step 5: Solve for x
    x = 947,630,268.69/35,344.57
  6. Step 6: Final answer
    x = 26,811.20

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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.