Home / 39,607.04-54,677.60-30,634.24

Finding the Fourth Proportional to 39,607.04, 54,677.60 and 30,634.24

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Solution

The fourth proportional to 39,607.04, 54,677.60 and 30,634.24 is: 42,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,607.04 : 54,677.60 = 30,634.24 : x
  2. Step 2: Convert to fraction form
    39,607.04/54,677.60 = 30,634.24/x
  3. Step 3: Cross multiply
    39,607.04x = 54,677.60 × 30,634.24
  4. Step 4: Simplify right side
    39,607.04x = 1,675,006,721.02
  5. Step 5: Solve for x
    x = 1,675,006,721.02/39,607.04
  6. Step 6: Final answer
    x = 42,290.63

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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.