Home / 48,533.44-66,970-28,386.36

Finding the Fourth Proportional to 48,533.44, 66,970 and 28,386.36

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Solution

The fourth proportional to 48,533.44, 66,970 and 28,386.36 is: 39,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,533.44 : 66,970 = 28,386.36 : x
  2. Step 2: Convert to fraction form
    48,533.44/66,970 = 28,386.36/x
  3. Step 3: Cross multiply
    48,533.44x = 66,970 × 28,386.36
  4. Step 4: Simplify right side
    48,533.44x = 1,901,034,529.20
  5. Step 5: Solve for x
    x = 1,901,034,529.20/48,533.44
  6. Step 6: Final answer
    x = 39,169.58

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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.