Home / 47,529.81-65,586.64-28,405.78

Finding the Fourth Proportional to 47,529.81, 65,586.64 and 28,405.78

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Solution

The fourth proportional to 47,529.81, 65,586.64 and 28,405.78 is: 39,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,529.81 : 65,586.64 = 28,405.78 : x
  2. Step 2: Convert to fraction form
    47,529.81/65,586.64 = 28,405.78/x
  3. Step 3: Cross multiply
    47,529.81x = 65,586.64 × 28,405.78
  4. Step 4: Simplify right side
    47,529.81x = 1,863,039,666.78
  5. Step 5: Solve for x
    x = 1,863,039,666.78/47,529.81
  6. Step 6: Final answer
    x = 39,197.29

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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.