Home / 30,420.01-45,518.99-17,946.01

Finding the Fourth Proportional to 30,420.01, 45,518.99 and 17,946.01

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Solution

The fourth proportional to 30,420.01, 45,518.99 and 17,946.01 is: 26,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,420.01 : 45,518.99 = 17,946.01 : x
  2. Step 2: Convert to fraction form
    30,420.01/45,518.99 = 17,946.01/x
  3. Step 3: Cross multiply
    30,420.01x = 45,518.99 × 17,946.01
  4. Step 4: Simplify right side
    30,420.01x = 816,884,022.13
  5. Step 5: Solve for x
    x = 816,884,022.13/30,420.01
  6. Step 6: Final answer
    x = 26,853.51

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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.