Home / 55,364.81-76,403.54-30,214.31

Finding the Fourth Proportional to 55,364.81, 76,403.54 and 30,214.31

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Solution

The fourth proportional to 55,364.81, 76,403.54 and 30,214.31 is: 41,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,364.81 : 76,403.54 = 30,214.31 : x
  2. Step 2: Convert to fraction form
    55,364.81/76,403.54 = 30,214.31/x
  3. Step 3: Cross multiply
    55,364.81x = 76,403.54 × 30,214.31
  4. Step 4: Simplify right side
    55,364.81x = 2,308,480,091.59
  5. Step 5: Solve for x
    x = 2,308,480,091.59/55,364.81
  6. Step 6: Final answer
    x = 41,695.80

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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.