Home / 30,573.90-42,200.73-18,005.94

Finding the Fourth Proportional to 30,573.90, 42,200.73 and 18,005.94

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Solution

The fourth proportional to 30,573.90, 42,200.73 and 18,005.94 is: 24,853.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,573.90 : 42,200.73 = 18,005.94 : x
  2. Step 2: Convert to fraction form
    30,573.90/42,200.73 = 18,005.94/x
  3. Step 3: Cross multiply
    30,573.90x = 42,200.73 × 18,005.94
  4. Step 4: Simplify right side
    30,573.90x = 759,863,812.34
  5. Step 5: Solve for x
    x = 759,863,812.34/30,573.90
  6. Step 6: Final answer
    x = 24,853.35

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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.