Home / 47,554.28-65,646.10-31,431.30

Finding the Fourth Proportional to 47,554.28, 65,646.10 and 31,431.30

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Solution

The fourth proportional to 47,554.28, 65,646.10 and 31,431.30 is: 43,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,554.28 : 65,646.10 = 31,431.30 : x
  2. Step 2: Convert to fraction form
    47,554.28/65,646.10 = 31,431.30/x
  3. Step 3: Cross multiply
    47,554.28x = 65,646.10 × 31,431.30
  4. Step 4: Simplify right side
    47,554.28x = 2,063,342,262.93
  5. Step 5: Solve for x
    x = 2,063,342,262.93/47,554.28
  6. Step 6: Final answer
    x = 43,389.20

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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.