Home / 56,853.20-85,279.80-30,570.32

Finding the Fourth Proportional to 56,853.20, 85,279.80 and 30,570.32

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Solution

The fourth proportional to 56,853.20, 85,279.80 and 30,570.32 is: 45,855.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,853.20 : 85,279.80 = 30,570.32 : x
  2. Step 2: Convert to fraction form
    56,853.20/85,279.80 = 30,570.32/x
  3. Step 3: Cross multiply
    56,853.20x = 85,279.80 × 30,570.32
  4. Step 4: Simplify right side
    56,853.20x = 2,607,030,775.54
  5. Step 5: Solve for x
    x = 2,607,030,775.54/56,853.20
  6. Step 6: Final answer
    x = 45,855.48

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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.