Home / 37,663.09-51,973.32-20,666.91

Finding the Fourth Proportional to 37,663.09, 51,973.32 and 20,666.91

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Solution

The fourth proportional to 37,663.09, 51,973.32 and 20,666.91 is: 28,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,663.09 : 51,973.32 = 20,666.91 : x
  2. Step 2: Convert to fraction form
    37,663.09/51,973.32 = 20,666.91/x
  3. Step 3: Cross multiply
    37,663.09x = 51,973.32 × 20,666.91
  4. Step 4: Simplify right side
    37,663.09x = 1,074,127,849.34
  5. Step 5: Solve for x
    x = 1,074,127,849.34/37,663.09
  6. Step 6: Final answer
    x = 28,519.38

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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.