Home / 52,631.35-72,631.28-28,432.32

Finding the Fourth Proportional to 52,631.35, 72,631.28 and 28,432.32

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Solution

The fourth proportional to 52,631.35, 72,631.28 and 28,432.32 is: 39,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,631.35 : 72,631.28 = 28,432.32 : x
  2. Step 2: Convert to fraction form
    52,631.35/72,631.28 = 28,432.32/x
  3. Step 3: Cross multiply
    52,631.35x = 72,631.28 × 28,432.32
  4. Step 4: Simplify right side
    52,631.35x = 2,065,075,652.81
  5. Step 5: Solve for x
    x = 2,065,075,652.81/52,631.35
  6. Step 6: Final answer
    x = 39,236.61

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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.