Home / 30,239.12-45,300.12-17,051.12

Finding the Fourth Proportional to 30,239.12, 45,300.12 and 17,051.12

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Solution

The fourth proportional to 30,239.12, 45,300.12 and 17,051.12 is: 25,543.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,239.12 : 45,300.12 = 17,051.12 : x
  2. Step 2: Convert to fraction form
    30,239.12/45,300.12 = 17,051.12/x
  3. Step 3: Cross multiply
    30,239.12x = 45,300.12 × 17,051.12
  4. Step 4: Simplify right side
    30,239.12x = 772,417,782.13
  5. Step 5: Solve for x
    x = 772,417,782.13/30,239.12
  6. Step 6: Final answer
    x = 25,543.66

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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.