Home / 47,499.08-65,505.30-40,782.56

Finding the Fourth Proportional to 47,499.08, 65,505.30 and 40,782.56

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Solution

The fourth proportional to 47,499.08, 65,505.30 and 40,782.56 is: 56,242.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,499.08 : 65,505.30 = 40,782.56 : x
  2. Step 2: Convert to fraction form
    47,499.08/65,505.30 = 40,782.56/x
  3. Step 3: Cross multiply
    47,499.08x = 65,505.30 × 40,782.56
  4. Step 4: Simplify right side
    47,499.08x = 2,671,473,827.57
  5. Step 5: Solve for x
    x = 2,671,473,827.57/47,499.08
  6. Step 6: Final answer
    x = 56,242.64

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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.