Home / 37,693.81-52,018.10-20,698.76

Finding the Fourth Proportional to 37,693.81, 52,018.10 and 20,698.76

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Solution

The fourth proportional to 37,693.81, 52,018.10 and 20,698.76 is: 28,564.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,693.81 : 52,018.10 = 20,698.76 : x
  2. Step 2: Convert to fraction form
    37,693.81/52,018.10 = 20,698.76/x
  3. Step 3: Cross multiply
    37,693.81x = 52,018.10 × 20,698.76
  4. Step 4: Simplify right side
    37,693.81x = 1,076,710,167.56
  5. Step 5: Solve for x
    x = 1,076,710,167.56/37,693.81
  6. Step 6: Final answer
    x = 28,564.64

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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.