Home / 39,030.08-58,457.57-30,238.34

Finding the Fourth Proportional to 39,030.08, 58,457.57 and 30,238.34

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Solution

The fourth proportional to 39,030.08, 58,457.57 and 30,238.34 is: 45,289.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,030.08 : 58,457.57 = 30,238.34 : x
  2. Step 2: Convert to fraction form
    39,030.08/58,457.57 = 30,238.34/x
  3. Step 3: Cross multiply
    39,030.08x = 58,457.57 × 30,238.34
  4. Step 4: Simplify right side
    39,030.08x = 1,767,659,433.75
  5. Step 5: Solve for x
    x = 1,767,659,433.75/39,030.08
  6. Step 6: Final answer
    x = 45,289.68

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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.