Home / 30,946.23-42,705.75-16,799.08

Finding the Fourth Proportional to 30,946.23, 42,705.75 and 16,799.08

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Solution

The fourth proportional to 30,946.23, 42,705.75 and 16,799.08 is: 23,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,946.23 : 42,705.75 = 16,799.08 : x
  2. Step 2: Convert to fraction form
    30,946.23/42,705.75 = 16,799.08/x
  3. Step 3: Cross multiply
    30,946.23x = 42,705.75 × 16,799.08
  4. Step 4: Simplify right side
    30,946.23x = 717,417,310.71
  5. Step 5: Solve for x
    x = 717,417,310.71/30,946.23
  6. Step 6: Final answer
    x = 23,182.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.