Home / 30,585.92-42,190.68-19,237.52

Finding the Fourth Proportional to 30,585.92, 42,190.68 and 19,237.52

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Solution

The fourth proportional to 30,585.92, 42,190.68 and 19,237.52 is: 26,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,585.92 : 42,190.68 = 19,237.52 : x
  2. Step 2: Convert to fraction form
    30,585.92/42,190.68 = 19,237.52/x
  3. Step 3: Cross multiply
    30,585.92x = 42,190.68 × 19,237.52
  4. Step 4: Simplify right side
    30,585.92x = 811,644,050.31
  5. Step 5: Solve for x
    x = 811,644,050.31/30,585.92
  6. Step 6: Final answer
    x = 26,536.53

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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.