Home / 48,598.60-72,907.77-20,518.72

Finding the Fourth Proportional to 48,598.60, 72,907.77 and 20,518.72

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Solution

The fourth proportional to 48,598.60, 72,907.77 and 20,518.72 is: 30,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,598.60 : 72,907.77 = 20,518.72 : x
  2. Step 2: Convert to fraction form
    48,598.60/72,907.77 = 20,518.72/x
  3. Step 3: Cross multiply
    48,598.60x = 72,907.77 × 20,518.72
  4. Step 4: Simplify right side
    48,598.60x = 1,495,974,118.45
  5. Step 5: Solve for x
    x = 1,495,974,118.45/48,598.60
  6. Step 6: Final answer
    x = 30,782.25

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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.