Home / 30,946.13-42,705.55-16,798.87

Finding the Fourth Proportional to 30,946.13, 42,705.55 and 16,798.87

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Solution

The fourth proportional to 30,946.13, 42,705.55 and 16,798.87 is: 23,182.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,946.13 : 42,705.55 = 16,798.87 : x
  2. Step 2: Convert to fraction form
    30,946.13/42,705.55 = 16,798.87/x
  3. Step 3: Cross multiply
    30,946.13x = 42,705.55 × 16,798.87
  4. Step 4: Simplify right side
    30,946.13x = 717,404,833.97
  5. Step 5: Solve for x
    x = 717,404,833.97/30,946.13
  6. Step 6: Final answer
    x = 23,182.38

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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.