Home / 56,284.13-77,674.53-31,133.63

Finding the Fourth Proportional to 56,284.13, 77,674.53 and 31,133.63

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Solution

The fourth proportional to 56,284.13, 77,674.53 and 31,133.63 is: 42,965.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,284.13 : 77,674.53 = 31,133.63 : x
  2. Step 2: Convert to fraction form
    56,284.13/77,674.53 = 31,133.63/x
  3. Step 3: Cross multiply
    56,284.13x = 77,674.53 × 31,133.63
  4. Step 4: Simplify right side
    56,284.13x = 2,418,289,689.07
  5. Step 5: Solve for x
    x = 2,418,289,689.07/56,284.13
  6. Step 6: Final answer
    x = 42,965.75

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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.