Home / 56,073.09-77,379.89-30,579.66

Finding the Fourth Proportional to 56,073.09, 77,379.89 and 30,579.66

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Solution

The fourth proportional to 56,073.09, 77,379.89 and 30,579.66 is: 42,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,073.09 : 77,379.89 = 30,579.66 : x
  2. Step 2: Convert to fraction form
    56,073.09/77,379.89 = 30,579.66/x
  3. Step 3: Cross multiply
    56,073.09x = 77,379.89 × 30,579.66
  4. Step 4: Simplify right side
    56,073.09x = 2,366,250,727.04
  5. Step 5: Solve for x
    x = 2,366,250,727.04/56,073.09
  6. Step 6: Final answer
    x = 42,199.40

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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.