Home / 53,179.02-73,387.18-28,980.17

Finding the Fourth Proportional to 53,179.02, 73,387.18 and 28,980.17

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Solution

The fourth proportional to 53,179.02, 73,387.18 and 28,980.17 is: 39,992.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,179.02 : 73,387.18 = 28,980.17 : x
  2. Step 2: Convert to fraction form
    53,179.02/73,387.18 = 28,980.17/x
  3. Step 3: Cross multiply
    53,179.02x = 73,387.18 × 28,980.17
  4. Step 4: Simplify right side
    53,179.02x = 2,126,772,896.71
  5. Step 5: Solve for x
    x = 2,126,772,896.71/53,179.02
  6. Step 6: Final answer
    x = 39,992.71

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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.