Home / 31,074.64-46,612.77-7,700.74

Finding the Fourth Proportional to 31,074.64, 46,612.77 and 7,700.74

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Solution

The fourth proportional to 31,074.64, 46,612.77 and 7,700.74 is: 11,551.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,074.64 : 46,612.77 = 7,700.74 : x
  2. Step 2: Convert to fraction form
    31,074.64/46,612.77 = 7,700.74/x
  3. Step 3: Cross multiply
    31,074.64x = 46,612.77 × 7,700.74
  4. Step 4: Simplify right side
    31,074.64x = 358,952,822.45
  5. Step 5: Solve for x
    x = 358,952,822.45/31,074.64
  6. Step 6: Final answer
    x = 11,551.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.