Home / 55,646.40-76,791.60-30,495.84

Finding the Fourth Proportional to 55,646.40, 76,791.60 and 30,495.84

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Solution

The fourth proportional to 55,646.40, 76,791.60 and 30,495.84 is: 42,084.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,646.40 : 76,791.60 = 30,495.84 : x
  2. Step 2: Convert to fraction form
    55,646.40/76,791.60 = 30,495.84/x
  3. Step 3: Cross multiply
    55,646.40x = 76,791.60 × 30,495.84
  4. Step 4: Simplify right side
    55,646.40x = 2,341,824,346.94
  5. Step 5: Solve for x
    x = 2,341,824,346.94/55,646.40
  6. Step 6: Final answer
    x = 42,084.02

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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.