Home / 51,646.08-71,283.12-32,779.68

Finding the Fourth Proportional to 51,646.08, 71,283.12 and 32,779.68

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Solution

The fourth proportional to 51,646.08, 71,283.12 and 32,779.68 is: 45,243.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,646.08 : 71,283.12 = 32,779.68 : x
  2. Step 2: Convert to fraction form
    51,646.08/71,283.12 = 32,779.68/x
  3. Step 3: Cross multiply
    51,646.08x = 71,283.12 × 32,779.68
  4. Step 4: Simplify right side
    51,646.08x = 2,336,637,863.00
  5. Step 5: Solve for x
    x = 2,336,637,863.00/51,646.08
  6. Step 6: Final answer
    x = 45,243.28

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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.