Home / 56,184.89-77,533.38-30,690.84

Finding the Fourth Proportional to 56,184.89, 77,533.38 and 30,690.84

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Solution

The fourth proportional to 56,184.89, 77,533.38 and 30,690.84 is: 42,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,184.89 : 77,533.38 = 30,690.84 : x
  2. Step 2: Convert to fraction form
    56,184.89/77,533.38 = 30,690.84/x
  3. Step 3: Cross multiply
    56,184.89x = 77,533.38 × 30,690.84
  4. Step 4: Simplify right side
    56,184.89x = 2,379,564,560.24
  5. Step 5: Solve for x
    x = 2,379,564,560.24/56,184.89
  6. Step 6: Final answer
    x = 42,352.40

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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.