Home / 30,337.40-41,864.98-16,908.60

Finding the Fourth Proportional to 30,337.40, 41,864.98 and 16,908.60

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Solution

The fourth proportional to 30,337.40, 41,864.98 and 16,908.60 is: 23,333.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,337.40 : 41,864.98 = 16,908.60 : x
  2. Step 2: Convert to fraction form
    30,337.40/41,864.98 = 16,908.60/x
  3. Step 3: Cross multiply
    30,337.40x = 41,864.98 × 16,908.60
  4. Step 4: Simplify right side
    30,337.40x = 707,878,200.83
  5. Step 5: Solve for x
    x = 707,878,200.83/30,337.40
  6. Step 6: Final answer
    x = 23,333.52

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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.