Home / 69,127.06-103,690.49-21,746.32

Finding the Fourth Proportional to 69,127.06, 103,690.49 and 21,746.32

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Solution

The fourth proportional to 69,127.06, 103,690.49 and 21,746.32 is: 32,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,127.06 : 103,690.49 = 21,746.32 : x
  2. Step 2: Convert to fraction form
    69,127.06/103,690.49 = 21,746.32/x
  3. Step 3: Cross multiply
    69,127.06x = 103,690.49 × 21,746.32
  4. Step 4: Simplify right side
    69,127.06x = 2,254,886,576.50
  5. Step 5: Solve for x
    x = 2,254,886,576.50/69,127.06
  6. Step 6: Final answer
    x = 32,619.45

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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.