Home / 56,953.32-85,432.32-19,539.12

Finding the Fourth Proportional to 56,953.32, 85,432.32 and 19,539.12

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Solution

The fourth proportional to 56,953.32, 85,432.32 and 19,539.12 is: 29,309.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,953.32 : 85,432.32 = 19,539.12 : x
  2. Step 2: Convert to fraction form
    56,953.32/85,432.32 = 19,539.12/x
  3. Step 3: Cross multiply
    56,953.32x = 85,432.32 × 19,539.12
  4. Step 4: Simplify right side
    56,953.32x = 1,669,272,352.36
  5. Step 5: Solve for x
    x = 1,669,272,352.36/56,953.32
  6. Step 6: Final answer
    x = 29,309.48

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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.