Home / 56,012.07-77,296.41-30,518.37

Finding the Fourth Proportional to 56,012.07, 77,296.41 and 30,518.37

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Solution

The fourth proportional to 56,012.07, 77,296.41 and 30,518.37 is: 42,115.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,012.07 : 77,296.41 = 30,518.37 : x
  2. Step 2: Convert to fraction form
    56,012.07/77,296.41 = 30,518.37/x
  3. Step 3: Cross multiply
    56,012.07x = 77,296.41 × 30,518.37
  4. Step 4: Simplify right side
    56,012.07x = 2,358,960,440.05
  5. Step 5: Solve for x
    x = 2,358,960,440.05/56,012.07
  6. Step 6: Final answer
    x = 42,115.22

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1.5x scale

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.