Home / 56,073.34-77,380.99-30,579.65

Finding the Fourth Proportional to 56,073.34, 77,380.99 and 30,579.65

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Solution

The fourth proportional to 56,073.34, 77,380.99 and 30,579.65 is: 42,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,073.34 : 77,380.99 = 30,579.65 : x
  2. Step 2: Convert to fraction form
    56,073.34/77,380.99 = 30,579.65/x
  3. Step 3: Cross multiply
    56,073.34x = 77,380.99 × 30,579.65
  4. Step 4: Simplify right side
    56,073.34x = 2,366,283,127.50
  5. Step 5: Solve for x
    x = 2,366,283,127.50/56,073.34
  6. Step 6: Final answer
    x = 42,199.79

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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.