Home / 38,692.46-53,426.32-31,114.50

Finding the Fourth Proportional to 38,692.46, 53,426.32 and 31,114.50

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Solution

The fourth proportional to 38,692.46, 53,426.32 and 31,114.50 is: 42,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,692.46 : 53,426.32 = 31,114.50 : x
  2. Step 2: Convert to fraction form
    38,692.46/53,426.32 = 31,114.50/x
  3. Step 3: Cross multiply
    38,692.46x = 53,426.32 × 31,114.50
  4. Step 4: Simplify right side
    38,692.46x = 1,662,333,233.64
  5. Step 5: Solve for x
    x = 1,662,333,233.64/38,692.46
  6. Step 6: Final answer
    x = 42,962.72

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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.