Home / 30,444.50-45,680.43-19,348.31

Finding the Fourth Proportional to 30,444.50, 45,680.43 and 19,348.31

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Solution

The fourth proportional to 30,444.50, 45,680.43 and 19,348.31 is: 29,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,444.50 : 45,680.43 = 19,348.31 : x
  2. Step 2: Convert to fraction form
    30,444.50/45,680.43 = 19,348.31/x
  3. Step 3: Cross multiply
    30,444.50x = 45,680.43 × 19,348.31
  4. Step 4: Simplify right side
    30,444.50x = 883,839,120.57
  5. Step 5: Solve for x
    x = 883,839,120.57/30,444.50
  6. Step 6: Final answer
    x = 29,031.16

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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.