Home / 46,934.88-64,770.13-28,072

Finding the Fourth Proportional to 46,934.88, 64,770.13 and 28,072

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Solution

The fourth proportional to 46,934.88, 64,770.13 and 28,072 is: 38,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,934.88 : 64,770.13 = 28,072 : x
  2. Step 2: Convert to fraction form
    46,934.88/64,770.13 = 28,072/x
  3. Step 3: Cross multiply
    46,934.88x = 64,770.13 × 28,072
  4. Step 4: Simplify right side
    46,934.88x = 1,818,227,089.36
  5. Step 5: Solve for x
    x = 1,818,227,089.36/46,934.88
  6. Step 6: Final answer
    x = 38,739.36

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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.