Home / 39,485.18-54,484.17-22,718.18

Finding the Fourth Proportional to 39,485.18, 54,484.17 and 22,718.18

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Solution

The fourth proportional to 39,485.18, 54,484.17 and 22,718.18 is: 31,347.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,485.18 : 54,484.17 = 22,718.18 : x
  2. Step 2: Convert to fraction form
    39,485.18/54,484.17 = 22,718.18/x
  3. Step 3: Cross multiply
    39,485.18x = 54,484.17 × 22,718.18
  4. Step 4: Simplify right side
    39,485.18x = 1,237,781,181.21
  5. Step 5: Solve for x
    x = 1,237,781,181.21/39,485.18
  6. Step 6: Final answer
    x = 31,347.99

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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.