Home / 48,533.30-66,965.61-28,386.24

Finding the Fourth Proportional to 48,533.30, 66,965.61 and 28,386.24

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Solution

The fourth proportional to 48,533.30, 66,965.61 and 28,386.24 is: 39,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,533.30 : 66,965.61 = 28,386.24 : x
  2. Step 2: Convert to fraction form
    48,533.30/66,965.61 = 28,386.24/x
  3. Step 3: Cross multiply
    48,533.30x = 66,965.61 × 28,386.24
  4. Step 4: Simplify right side
    48,533.30x = 1,900,901,877.21
  5. Step 5: Solve for x
    x = 1,900,901,877.21/48,533.30
  6. Step 6: Final answer
    x = 39,166.97

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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.