Home / 30,562.86-42,201.81-19,250.58

Finding the Fourth Proportional to 30,562.86, 42,201.81 and 19,250.58

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Solution

The fourth proportional to 30,562.86, 42,201.81 and 19,250.58 is: 26,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,562.86 : 42,201.81 = 19,250.58 : x
  2. Step 2: Convert to fraction form
    30,562.86/42,201.81 = 19,250.58/x
  3. Step 3: Cross multiply
    30,562.86x = 42,201.81 × 19,250.58
  4. Step 4: Simplify right side
    30,562.86x = 812,409,319.55
  5. Step 5: Solve for x
    x = 812,409,319.55/30,562.86
  6. Step 6: Final answer
    x = 26,581.59

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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.