Home / 58,637.43-80,919.33-31,779.65

Finding the Fourth Proportional to 58,637.43, 80,919.33 and 31,779.65

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Solution

The fourth proportional to 58,637.43, 80,919.33 and 31,779.65 is: 43,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,637.43 : 80,919.33 = 31,779.65 : x
  2. Step 2: Convert to fraction form
    58,637.43/80,919.33 = 31,779.65/x
  3. Step 3: Cross multiply
    58,637.43x = 80,919.33 × 31,779.65
  4. Step 4: Simplify right side
    58,637.43x = 2,571,587,985.63
  5. Step 5: Solve for x
    x = 2,571,587,985.63/58,637.43
  6. Step 6: Final answer
    x = 43,855.74

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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.