Home / 55,783.46-83,677.88-18,342.71

Finding the Fourth Proportional to 55,783.46, 83,677.88 and 18,342.71

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Solution

The fourth proportional to 55,783.46, 83,677.88 and 18,342.71 is: 27,514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,783.46 : 83,677.88 = 18,342.71 : x
  2. Step 2: Convert to fraction form
    55,783.46/83,677.88 = 18,342.71/x
  3. Step 3: Cross multiply
    55,783.46x = 83,677.88 × 18,342.71
  4. Step 4: Simplify right side
    55,783.46x = 1,534,878,667.87
  5. Step 5: Solve for x
    x = 1,534,878,667.87/55,783.46
  6. Step 6: Final answer
    x = 27,514.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.