Home / 53,179.51-73,386.77-28,980.69

Finding the Fourth Proportional to 53,179.51, 73,386.77 and 28,980.69

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Solution

The fourth proportional to 53,179.51, 73,386.77 and 28,980.69 is: 39,992.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,179.51 : 73,386.77 = 28,980.69 : x
  2. Step 2: Convert to fraction form
    53,179.51/73,386.77 = 28,980.69/x
  3. Step 3: Cross multiply
    53,179.51x = 73,386.77 × 28,980.69
  4. Step 4: Simplify right side
    53,179.51x = 2,126,798,864.54
  5. Step 5: Solve for x
    x = 2,126,798,864.54/53,179.51
  6. Step 6: Final answer
    x = 39,992.83

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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.