Home / 30,699.15-46,044.16-8,510.21

Finding the Fourth Proportional to 30,699.15, 46,044.16 and 8,510.21

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Solution

The fourth proportional to 30,699.15, 46,044.16 and 8,510.21 is: 12,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,699.15 : 46,044.16 = 8,510.21 : x
  2. Step 2: Convert to fraction form
    30,699.15/46,044.16 = 8,510.21/x
  3. Step 3: Cross multiply
    30,699.15x = 46,044.16 × 8,510.21
  4. Step 4: Simplify right side
    30,699.15x = 391,845,470.87
  5. Step 5: Solve for x
    x = 391,845,470.87/30,699.15
  6. Step 6: Final answer
    x = 12,764.05

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1.5x scale

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.