Home / 30,590.24-42,215.64-17,161.52

Finding the Fourth Proportional to 30,590.24, 42,215.64 and 17,161.52

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Solution

The fourth proportional to 30,590.24, 42,215.64 and 17,161.52 is: 23,683.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,590.24 : 42,215.64 = 17,161.52 : x
  2. Step 2: Convert to fraction form
    30,590.24/42,215.64 = 17,161.52/x
  3. Step 3: Cross multiply
    30,590.24x = 42,215.64 × 17,161.52
  4. Step 4: Simplify right side
    30,590.24x = 724,484,550.17
  5. Step 5: Solve for x
    x = 724,484,550.17/30,590.24
  6. Step 6: Final answer
    x = 23,683.52

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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.