Home / 30,079.51-45,104.07-17,603.28

Finding the Fourth Proportional to 30,079.51, 45,104.07 and 17,603.28

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Solution

The fourth proportional to 30,079.51, 45,104.07 and 17,603.28 is: 26,396.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.51 : 45,104.07 = 17,603.28 : x
  2. Step 2: Convert to fraction form
    30,079.51/45,104.07 = 17,603.28/x
  3. Step 3: Cross multiply
    30,079.51x = 45,104.07 × 17,603.28
  4. Step 4: Simplify right side
    30,079.51x = 793,979,259.81
  5. Step 5: Solve for x
    x = 793,979,259.81/30,079.51
  6. Step 6: Final answer
    x = 26,396.02

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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.