Home / 43,335-64,953.36-19,913.04

Finding the Fourth Proportional to 43,335, 64,953.36 and 19,913.04

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Solution

The fourth proportional to 43,335, 64,953.36 and 19,913.04 is: 29,846.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,335 : 64,953.36 = 19,913.04 : x
  2. Step 2: Convert to fraction form
    43,335/64,953.36 = 19,913.04/x
  3. Step 3: Cross multiply
    43,335x = 64,953.36 × 19,913.04
  4. Step 4: Simplify right side
    43,335x = 1,293,418,855.81
  5. Step 5: Solve for x
    x = 1,293,418,855.81/43,335
  6. Step 6: Final answer
    x = 29,846.98

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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.