Home / 56,479.38-84,718.58-14,359.60

Finding the Fourth Proportional to 56,479.38, 84,718.58 and 14,359.60

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Solution

The fourth proportional to 56,479.38, 84,718.58 and 14,359.60 is: 21,539.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,479.38 : 84,718.58 = 14,359.60 : x
  2. Step 2: Convert to fraction form
    56,479.38/84,718.58 = 14,359.60/x
  3. Step 3: Cross multiply
    56,479.38x = 84,718.58 × 14,359.60
  4. Step 4: Simplify right side
    56,479.38x = 1,216,524,921.37
  5. Step 5: Solve for x
    x = 1,216,524,921.37/56,479.38
  6. Step 6: Final answer
    x = 21,539.28

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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.