Home / 42,319.09-58,369.30-30,394.68

Finding the Fourth Proportional to 42,319.09, 58,369.30 and 30,394.68

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Solution

The fourth proportional to 42,319.09, 58,369.30 and 30,394.68 is: 41,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,319.09 : 58,369.30 = 30,394.68 : x
  2. Step 2: Convert to fraction form
    42,319.09/58,369.30 = 30,394.68/x
  3. Step 3: Cross multiply
    42,319.09x = 58,369.30 × 30,394.68
  4. Step 4: Simplify right side
    42,319.09x = 1,774,116,195.32
  5. Step 5: Solve for x
    x = 1,774,116,195.32/42,319.09
  6. Step 6: Final answer
    x = 41,922.36

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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.