Home / 35,342.87-48,776.27-19,430.42

Finding the Fourth Proportional to 35,342.87, 48,776.27 and 19,430.42

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Solution

The fourth proportional to 35,342.87, 48,776.27 and 19,430.42 is: 26,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,342.87 : 48,776.27 = 19,430.42 : x
  2. Step 2: Convert to fraction form
    35,342.87/48,776.27 = 19,430.42/x
  3. Step 3: Cross multiply
    35,342.87x = 48,776.27 × 19,430.42
  4. Step 4: Simplify right side
    35,342.87x = 947,743,071.10
  5. Step 5: Solve for x
    x = 947,743,071.10/35,342.87
  6. Step 6: Final answer
    x = 26,815.68

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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.