Home / 29,989.10-45,011.09-15,208.22

Finding the Fourth Proportional to 29,989.10, 45,011.09 and 15,208.22

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Solution

The fourth proportional to 29,989.10, 45,011.09 and 15,208.22 is: 22,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,989.10 : 45,011.09 = 15,208.22 : x
  2. Step 2: Convert to fraction form
    29,989.10/45,011.09 = 15,208.22/x
  3. Step 3: Cross multiply
    29,989.10x = 45,011.09 × 15,208.22
  4. Step 4: Simplify right side
    29,989.10x = 684,538,559.16
  5. Step 5: Solve for x
    x = 684,538,559.16/29,989.10
  6. Step 6: Final answer
    x = 22,826.25

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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.