Home / 48,515.88-72,804.90-31,909.32

Finding the Fourth Proportional to 48,515.88, 72,804.90 and 31,909.32

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Solution

The fourth proportional to 48,515.88, 72,804.90 and 31,909.32 is: 47,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,515.88 : 72,804.90 = 31,909.32 : x
  2. Step 2: Convert to fraction form
    48,515.88/72,804.90 = 31,909.32/x
  3. Step 3: Cross multiply
    48,515.88x = 72,804.90 × 31,909.32
  4. Step 4: Simplify right side
    48,515.88x = 2,323,154,851.67
  5. Step 5: Solve for x
    x = 2,323,154,851.67/48,515.88
  6. Step 6: Final answer
    x = 47,884.42

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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.