Home / 48,510.51-66,936.57-28,085.30

Finding the Fourth Proportional to 48,510.51, 66,936.57 and 28,085.30

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Solution

The fourth proportional to 48,510.51, 66,936.57 and 28,085.30 is: 38,753.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,510.51 : 66,936.57 = 28,085.30 : x
  2. Step 2: Convert to fraction form
    48,510.51/66,936.57 = 28,085.30/x
  3. Step 3: Cross multiply
    48,510.51x = 66,936.57 × 28,085.30
  4. Step 4: Simplify right side
    48,510.51x = 1,879,933,739.86
  5. Step 5: Solve for x
    x = 1,879,933,739.86/48,510.51
  6. Step 6: Final answer
    x = 38,753.12

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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.