Home / 39,421.08-58,997.16-30,695.76

Finding the Fourth Proportional to 39,421.08, 58,997.16 and 30,695.76

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Solution

The fourth proportional to 39,421.08, 58,997.16 and 30,695.76 is: 45,938.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,421.08 : 58,997.16 = 30,695.76 : x
  2. Step 2: Convert to fraction form
    39,421.08/58,997.16 = 30,695.76/x
  3. Step 3: Cross multiply
    39,421.08x = 58,997.16 × 30,695.76
  4. Step 4: Simplify right side
    39,421.08x = 1,810,962,664.04
  5. Step 5: Solve for x
    x = 1,810,962,664.04/39,421.08
  6. Step 6: Final answer
    x = 45,938.94

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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.