Home / 56,283.07-77,667.37-30,784.34

Finding the Fourth Proportional to 56,283.07, 77,667.37 and 30,784.34

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Solution

The fourth proportional to 56,283.07, 77,667.37 and 30,784.34 is: 42,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,283.07 : 77,667.37 = 30,784.34 : x
  2. Step 2: Convert to fraction form
    56,283.07/77,667.37 = 30,784.34/x
  3. Step 3: Cross multiply
    56,283.07x = 77,667.37 × 30,784.34
  4. Step 4: Simplify right side
    56,283.07x = 2,390,938,724.99
  5. Step 5: Solve for x
    x = 2,390,938,724.99/56,283.07
  6. Step 6: Final answer
    x = 42,480.60

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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.