Home / 30,095.84-45,128.58-17,619.62

Finding the Fourth Proportional to 30,095.84, 45,128.58 and 17,619.62

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Solution

The fourth proportional to 30,095.84, 45,128.58 and 17,619.62 is: 26,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,095.84 : 45,128.58 = 17,619.62 : x
  2. Step 2: Convert to fraction form
    30,095.84/45,128.58 = 17,619.62/x
  3. Step 3: Cross multiply
    30,095.84x = 45,128.58 × 17,619.62
  4. Step 4: Simplify right side
    30,095.84x = 795,148,430.74
  5. Step 5: Solve for x
    x = 795,148,430.74/30,095.84
  6. Step 6: Final answer
    x = 26,420.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.