Home / 37,688.19-52,009.47-20,692.74

Finding the Fourth Proportional to 37,688.19, 52,009.47 and 20,692.74

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Solution

The fourth proportional to 37,688.19, 52,009.47 and 20,692.74 is: 28,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,688.19 : 52,009.47 = 20,692.74 : x
  2. Step 2: Convert to fraction form
    37,688.19/52,009.47 = 20,692.74/x
  3. Step 3: Cross multiply
    37,688.19x = 52,009.47 × 20,692.74
  4. Step 4: Simplify right side
    37,688.19x = 1,076,218,440.25
  5. Step 5: Solve for x
    x = 1,076,218,440.25/37,688.19
  6. Step 6: Final answer
    x = 28,555.85

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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.