Home / 30,559.86-42,197.70-19,247.58

Finding the Fourth Proportional to 30,559.86, 42,197.70 and 19,247.58

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Solution

The fourth proportional to 30,559.86, 42,197.70 and 19,247.58 is: 26,577.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,559.86 : 42,197.70 = 19,247.58 : x
  2. Step 2: Convert to fraction form
    30,559.86/42,197.70 = 19,247.58/x
  3. Step 3: Cross multiply
    30,559.86x = 42,197.70 × 19,247.58
  4. Step 4: Simplify right side
    30,559.86x = 812,203,606.57
  5. Step 5: Solve for x
    x = 812,203,606.57/30,559.86
  6. Step 6: Final answer
    x = 26,577.46

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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.