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Finding the Fourth Proportional to 46,988.51, 64,842.59 and 27,879.59

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Solution

The fourth proportional to 46,988.51, 64,842.59 and 27,879.59 is: 38,472.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,988.51 : 64,842.59 = 27,879.59 : x
  2. Step 2: Convert to fraction form
    46,988.51/64,842.59 = 27,879.59/x
  3. Step 3: Cross multiply
    46,988.51x = 64,842.59 × 27,879.59
  4. Step 4: Simplify right side
    46,988.51x = 1,807,785,055.54
  5. Step 5: Solve for x
    x = 1,807,785,055.54/46,988.51
  6. Step 6: Final answer
    x = 38,472.92

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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.