Home / 39,461.34-54,460.40-21,559.04

Finding the Fourth Proportional to 39,461.34, 54,460.40 and 21,559.04

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Solution

The fourth proportional to 39,461.34, 54,460.40 and 21,559.04 is: 29,753.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,461.34 : 54,460.40 = 21,559.04 : x
  2. Step 2: Convert to fraction form
    39,461.34/54,460.40 = 21,559.04/x
  3. Step 3: Cross multiply
    39,461.34x = 54,460.40 × 21,559.04
  4. Step 4: Simplify right side
    39,461.34x = 1,174,113,734.25
  5. Step 5: Solve for x
    x = 1,174,113,734.25/39,461.34
  6. Step 6: Final answer
    x = 29,753.52

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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.