Home / 56,519.67-84,779.51-21,459.34

Finding the Fourth Proportional to 56,519.67, 84,779.51 and 21,459.34

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Solution

The fourth proportional to 56,519.67, 84,779.51 and 21,459.34 is: 32,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,519.67 : 84,779.51 = 21,459.34 : x
  2. Step 2: Convert to fraction form
    56,519.67/84,779.51 = 21,459.34/x
  3. Step 3: Cross multiply
    56,519.67x = 84,779.51 × 21,459.34
  4. Step 4: Simplify right side
    56,519.67x = 1,819,312,330.12
  5. Step 5: Solve for x
    x = 1,819,312,330.12/56,519.67
  6. Step 6: Final answer
    x = 32,189.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.