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Finding the Fourth Proportional to 32,568.60, 48,925.80 and 31,329.30

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Solution

The fourth proportional to 32,568.60, 48,925.80 and 31,329.30 is: 47,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,568.60 : 48,925.80 = 31,329.30 : x
  2. Step 2: Convert to fraction form
    32,568.60/48,925.80 = 31,329.30/x
  3. Step 3: Cross multiply
    32,568.60x = 48,925.80 × 31,329.30
  4. Step 4: Simplify right side
    32,568.60x = 1,532,811,065.94
  5. Step 5: Solve for x
    x = 1,532,811,065.94/32,568.60
  6. Step 6: Final answer
    x = 47,064.08

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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.