Home / 48,518.34-72,795.31-20,445.46

Finding the Fourth Proportional to 48,518.34, 72,795.31 and 20,445.46

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Solution

The fourth proportional to 48,518.34, 72,795.31 and 20,445.46 is: 30,675.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,518.34 : 72,795.31 = 20,445.46 : x
  2. Step 2: Convert to fraction form
    48,518.34/72,795.31 = 20,445.46/x
  3. Step 3: Cross multiply
    48,518.34x = 72,795.31 × 20,445.46
  4. Step 4: Simplify right side
    48,518.34x = 1,488,333,598.79
  5. Step 5: Solve for x
    x = 1,488,333,598.79/48,518.34
  6. Step 6: Final answer
    x = 30,675.69

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1.5x scale

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.