Home / 30,342.74-41,871.48-16,915.10

Finding the Fourth Proportional to 30,342.74, 41,871.48 and 16,915.10

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Solution

The fourth proportional to 30,342.74, 41,871.48 and 16,915.10 is: 23,342.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,342.74 : 41,871.48 = 16,915.10 : x
  2. Step 2: Convert to fraction form
    30,342.74/41,871.48 = 16,915.10/x
  3. Step 3: Cross multiply
    30,342.74x = 41,871.48 × 16,915.10
  4. Step 4: Simplify right side
    30,342.74x = 708,260,271.35
  5. Step 5: Solve for x
    x = 708,260,271.35/30,342.74
  6. Step 6: Final answer
    x = 23,342.00

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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.