Home / 30,699.19-46,040.28-8,510.86

Finding the Fourth Proportional to 30,699.19, 46,040.28 and 8,510.86

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Solution

The fourth proportional to 30,699.19, 46,040.28 and 8,510.86 is: 12,763.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,699.19 : 46,040.28 = 8,510.86 : x
  2. Step 2: Convert to fraction form
    30,699.19/46,040.28 = 8,510.86/x
  3. Step 3: Cross multiply
    30,699.19x = 46,040.28 × 8,510.86
  4. Step 4: Simplify right side
    30,699.19x = 391,842,377.44
  5. Step 5: Solve for x
    x = 391,842,377.44/30,699.19
  6. Step 6: Final answer
    x = 12,763.93

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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.