Home / 53,895.11-74,376.02-30,928.67

Finding the Fourth Proportional to 53,895.11, 74,376.02 and 30,928.67

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Solution

The fourth proportional to 53,895.11, 74,376.02 and 30,928.67 is: 42,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895.11 : 74,376.02 = 30,928.67 : x
  2. Step 2: Convert to fraction form
    53,895.11/74,376.02 = 30,928.67/x
  3. Step 3: Cross multiply
    53,895.11x = 74,376.02 × 30,928.67
  4. Step 4: Simplify right side
    53,895.11x = 2,300,351,378.49
  5. Step 5: Solve for x
    x = 2,300,351,378.49/53,895.11
  6. Step 6: Final answer
    x = 42,682.01

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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.