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Finding the Fourth Proportional to 46,903.30, 70,358.62 and 13,623.92

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Solution

The fourth proportional to 46,903.30, 70,358.62 and 13,623.92 is: 20,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,903.30 : 70,358.62 = 13,623.92 : x
  2. Step 2: Convert to fraction form
    46,903.30/70,358.62 = 13,623.92/x
  3. Step 3: Cross multiply
    46,903.30x = 70,358.62 × 13,623.92
  4. Step 4: Simplify right side
    46,903.30x = 958,560,210.19
  5. Step 5: Solve for x
    x = 958,560,210.19/46,903.30
  6. Step 6: Final answer
    x = 20,436.95

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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.