Home / 36,607.08-54,779.40-31,693.68

Finding the Fourth Proportional to 36,607.08, 54,779.40 and 31,693.68

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Solution

The fourth proportional to 36,607.08, 54,779.40 and 31,693.68 is: 47,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,607.08 : 54,779.40 = 31,693.68 : x
  2. Step 2: Convert to fraction form
    36,607.08/54,779.40 = 31,693.68/x
  3. Step 3: Cross multiply
    36,607.08x = 54,779.40 × 31,693.68
  4. Step 4: Simplify right side
    36,607.08x = 1,736,160,774.19
  5. Step 5: Solve for x
    x = 1,736,160,774.19/36,607.08
  6. Step 6: Final answer
    x = 47,426.91

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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.