Home / 30,389.31-45,599.76-22,991.58

Finding the Fourth Proportional to 30,389.31, 45,599.76 and 22,991.58

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Solution

The fourth proportional to 30,389.31, 45,599.76 and 22,991.58 is: 34,499.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,389.31 : 45,599.76 = 22,991.58 : x
  2. Step 2: Convert to fraction form
    30,389.31/45,599.76 = 22,991.58/x
  3. Step 3: Cross multiply
    30,389.31x = 45,599.76 × 22,991.58
  4. Step 4: Simplify right side
    30,389.31x = 1,048,410,530.02
  5. Step 5: Solve for x
    x = 1,048,410,530.02/30,389.31
  6. Step 6: Final answer
    x = 34,499.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.