Home / 39,551.25-59,341.46-20,830.53

Finding the Fourth Proportional to 39,551.25, 59,341.46 and 20,830.53

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Solution

The fourth proportional to 39,551.25, 59,341.46 and 20,830.53 is: 31,253.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,551.25 : 59,341.46 = 20,830.53 : x
  2. Step 2: Convert to fraction form
    39,551.25/59,341.46 = 20,830.53/x
  3. Step 3: Cross multiply
    39,551.25x = 59,341.46 × 20,830.53
  4. Step 4: Simplify right side
    39,551.25x = 1,236,114,062.77
  5. Step 5: Solve for x
    x = 1,236,114,062.77/39,551.25
  6. Step 6: Final answer
    x = 31,253.48

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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.