Home / 30,323.17-45,490.85-12,792.92

Finding the Fourth Proportional to 30,323.17, 45,490.85 and 12,792.92

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Solution

The fourth proportional to 30,323.17, 45,490.85 and 12,792.92 is: 19,191.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,323.17 : 45,490.85 = 12,792.92 : x
  2. Step 2: Convert to fraction form
    30,323.17/45,490.85 = 12,792.92/x
  3. Step 3: Cross multiply
    30,323.17x = 45,490.85 × 12,792.92
  4. Step 4: Simplify right side
    30,323.17x = 581,960,804.78
  5. Step 5: Solve for x
    x = 581,960,804.78/30,323.17
  6. Step 6: Final answer
    x = 19,191.95

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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.