Home / 34,223.36-51,339.13-13,158.50

Finding the Fourth Proportional to 34,223.36, 51,339.13 and 13,158.50

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Solution

The fourth proportional to 34,223.36, 51,339.13 and 13,158.50 is: 19,739.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,223.36 : 51,339.13 = 13,158.50 : x
  2. Step 2: Convert to fraction form
    34,223.36/51,339.13 = 13,158.50/x
  3. Step 3: Cross multiply
    34,223.36x = 51,339.13 × 13,158.50
  4. Step 4: Simplify right side
    34,223.36x = 675,545,652.51
  5. Step 5: Solve for x
    x = 675,545,652.51/34,223.36
  6. Step 6: Final answer
    x = 19,739.32

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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.