Home / 37,070.80-51,157.76-21,160.40

Finding the Fourth Proportional to 37,070.80, 51,157.76 and 21,160.40

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Solution

The fourth proportional to 37,070.80, 51,157.76 and 21,160.40 is: 29,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,070.80 : 51,157.76 = 21,160.40 : x
  2. Step 2: Convert to fraction form
    37,070.80/51,157.76 = 21,160.40/x
  3. Step 3: Cross multiply
    37,070.80x = 51,157.76 × 21,160.40
  4. Step 4: Simplify right side
    37,070.80x = 1,082,518,664.70
  5. Step 5: Solve for x
    x = 1,082,518,664.70/37,070.80
  6. Step 6: Final answer
    x = 29,201.38

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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.