Home / 30,177.40-45,266.68-10,456.60

Finding the Fourth Proportional to 30,177.40, 45,266.68 and 10,456.60

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Solution

The fourth proportional to 30,177.40, 45,266.68 and 10,456.60 is: 15,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.40 : 45,266.68 = 10,456.60 : x
  2. Step 2: Convert to fraction form
    30,177.40/45,266.68 = 10,456.60/x
  3. Step 3: Cross multiply
    30,177.40x = 45,266.68 × 10,456.60
  4. Step 4: Simplify right side
    30,177.40x = 473,335,566.09
  5. Step 5: Solve for x
    x = 473,335,566.09/30,177.40
  6. Step 6: Final answer
    x = 15,685.10

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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.