Home / 39,442.32-54,417.48-28,113.60

Finding the Fourth Proportional to 39,442.32, 54,417.48 and 28,113.60

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Solution

The fourth proportional to 39,442.32, 54,417.48 and 28,113.60 is: 38,787.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,442.32 : 54,417.48 = 28,113.60 : x
  2. Step 2: Convert to fraction form
    39,442.32/54,417.48 = 28,113.60/x
  3. Step 3: Cross multiply
    39,442.32x = 54,417.48 × 28,113.60
  4. Step 4: Simplify right side
    39,442.32x = 1,529,871,265.73
  5. Step 5: Solve for x
    x = 1,529,871,265.73/39,442.32
  6. Step 6: Final answer
    x = 38,787.56

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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.