Home / 37,774.12-52,128.66-21,007.24

Finding the Fourth Proportional to 37,774.12, 52,128.66 and 21,007.24

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Solution

The fourth proportional to 37,774.12, 52,128.66 and 21,007.24 is: 28,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,774.12 : 52,128.66 = 21,007.24 : x
  2. Step 2: Convert to fraction form
    37,774.12/52,128.66 = 21,007.24/x
  3. Step 3: Cross multiply
    37,774.12x = 52,128.66 × 21,007.24
  4. Step 4: Simplify right side
    37,774.12x = 1,095,079,271.50
  5. Step 5: Solve for x
    x = 1,095,079,271.50/37,774.12
  6. Step 6: Final answer
    x = 28,990.20

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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.