Home / 43,182.84-64,746.44-18,216.21

Finding the Fourth Proportional to 43,182.84, 64,746.44 and 18,216.21

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Solution

The fourth proportional to 43,182.84, 64,746.44 and 18,216.21 is: 27,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,182.84 : 64,746.44 = 18,216.21 : x
  2. Step 2: Convert to fraction form
    43,182.84/64,746.44 = 18,216.21/x
  3. Step 3: Cross multiply
    43,182.84x = 64,746.44 × 18,216.21
  4. Step 4: Simplify right side
    43,182.84x = 1,179,434,656.71
  5. Step 5: Solve for x
    x = 1,179,434,656.71/43,182.84
  6. Step 6: Final answer
    x = 27,312.58

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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.