Home / 37,070.70-51,156.60-20,718.04

Finding the Fourth Proportional to 37,070.70, 51,156.60 and 20,718.04

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Solution

The fourth proportional to 37,070.70, 51,156.60 and 20,718.04 is: 28,590.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,070.70 : 51,156.60 = 20,718.04 : x
  2. Step 2: Convert to fraction form
    37,070.70/51,156.60 = 20,718.04/x
  3. Step 3: Cross multiply
    37,070.70x = 51,156.60 × 20,718.04
  4. Step 4: Simplify right side
    37,070.70x = 1,059,864,485.06
  5. Step 5: Solve for x
    x = 1,059,864,485.06/37,070.70
  6. Step 6: Final answer
    x = 28,590.36

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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.