Home / 56,208.42-77,566.68-30,714.24

Finding the Fourth Proportional to 56,208.42, 77,566.68 and 30,714.24

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Solution

The fourth proportional to 56,208.42, 77,566.68 and 30,714.24 is: 42,385.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,208.42 : 77,566.68 = 30,714.24 : x
  2. Step 2: Convert to fraction form
    56,208.42/77,566.68 = 30,714.24/x
  3. Step 3: Cross multiply
    56,208.42x = 77,566.68 × 30,714.24
  4. Step 4: Simplify right side
    56,208.42x = 2,382,401,625.52
  5. Step 5: Solve for x
    x = 2,382,401,625.52/56,208.42
  6. Step 6: Final answer
    x = 42,385.14

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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.