Home / 56,279.21-77,675.67-36,161.24

Finding the Fourth Proportional to 56,279.21, 77,675.67 and 36,161.24

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Solution

The fourth proportional to 56,279.21, 77,675.67 and 36,161.24 is: 49,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,279.21 : 77,675.67 = 36,161.24 : x
  2. Step 2: Convert to fraction form
    56,279.21/77,675.67 = 36,161.24/x
  3. Step 3: Cross multiply
    56,279.21x = 77,675.67 × 36,161.24
  4. Step 4: Simplify right side
    56,279.21x = 2,808,848,156.65
  5. Step 5: Solve for x
    x = 2,808,848,156.65/56,279.21
  6. Step 6: Final answer
    x = 49,909.17

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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.