Home / 39,315.33-58,990.36-30,507.19

Finding the Fourth Proportional to 39,315.33, 58,990.36 and 30,507.19

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Solution

The fourth proportional to 39,315.33, 58,990.36 and 30,507.19 is: 45,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,315.33 : 58,990.36 = 30,507.19 : x
  2. Step 2: Convert to fraction form
    39,315.33/58,990.36 = 30,507.19/x
  3. Step 3: Cross multiply
    39,315.33x = 58,990.36 × 30,507.19
  4. Step 4: Simplify right side
    39,315.33x = 1,799,630,317.41
  5. Step 5: Solve for x
    x = 1,799,630,317.41/39,315.33
  6. Step 6: Final answer
    x = 45,774.26

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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.