Home / 47,947.55-66,168.08-26,438.07

Finding the Fourth Proportional to 47,947.55, 66,168.08 and 26,438.07

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Solution

The fourth proportional to 47,947.55, 66,168.08 and 26,438.07 is: 36,484.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,947.55 : 66,168.08 = 26,438.07 : x
  2. Step 2: Convert to fraction form
    47,947.55/66,168.08 = 26,438.07/x
  3. Step 3: Cross multiply
    47,947.55x = 66,168.08 × 26,438.07
  4. Step 4: Simplify right side
    47,947.55x = 1,749,356,330.81
  5. Step 5: Solve for x
    x = 1,749,356,330.81/47,947.55
  6. Step 6: Final answer
    x = 36,484.79

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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.