Home / 48,828.02-67,382.03-28,686.74

Finding the Fourth Proportional to 48,828.02, 67,382.03 and 28,686.74

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Solution

The fourth proportional to 48,828.02, 67,382.03 and 28,686.74 is: 39,587.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,828.02 : 67,382.03 = 28,686.74 : x
  2. Step 2: Convert to fraction form
    48,828.02/67,382.03 = 28,686.74/x
  3. Step 3: Cross multiply
    48,828.02x = 67,382.03 × 28,686.74
  4. Step 4: Simplify right side
    48,828.02x = 1,932,970,510.09
  5. Step 5: Solve for x
    x = 1,932,970,510.09/48,828.02
  6. Step 6: Final answer
    x = 39,587.33

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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.