Home / 30,019.10-41,426.48-16,407.41

Finding the Fourth Proportional to 30,019.10, 41,426.48 and 16,407.41

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Solution

The fourth proportional to 30,019.10, 41,426.48 and 16,407.41 is: 22,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019.10 : 41,426.48 = 16,407.41 : x
  2. Step 2: Convert to fraction form
    30,019.10/41,426.48 = 16,407.41/x
  3. Step 3: Cross multiply
    30,019.10x = 41,426.48 × 16,407.41
  4. Step 4: Simplify right side
    30,019.10x = 679,701,386.80
  5. Step 5: Solve for x
    x = 679,701,386.80/30,019.10
  6. Step 6: Final answer
    x = 22,642.30

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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.