Home / 48,860.40-73,452.60-42,445.20

Finding the Fourth Proportional to 48,860.40, 73,452.60 and 42,445.20

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Solution

The fourth proportional to 48,860.40, 73,452.60 and 42,445.20 is: 63,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,860.40 : 73,452.60 = 42,445.20 : x
  2. Step 2: Convert to fraction form
    48,860.40/73,452.60 = 42,445.20/x
  3. Step 3: Cross multiply
    48,860.40x = 73,452.60 × 42,445.20
  4. Step 4: Simplify right side
    48,860.40x = 3,117,710,297.52
  5. Step 5: Solve for x
    x = 3,117,710,297.52/48,860.40
  6. Step 6: Final answer
    x = 63,808.53

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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.