Home / 32,455.40-48,448.32-28,518.80

Finding the Fourth Proportional to 32,455.40, 48,448.32 and 28,518.80

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Solution

The fourth proportional to 32,455.40, 48,448.32 and 28,518.80 is: 42,571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,455.40 : 48,448.32 = 28,518.80 : x
  2. Step 2: Convert to fraction form
    32,455.40/48,448.32 = 28,518.80/x
  3. Step 3: Cross multiply
    32,455.40x = 48,448.32 × 28,518.80
  4. Step 4: Simplify right side
    32,455.40x = 1,381,687,948.42
  5. Step 5: Solve for x
    x = 1,381,687,948.42/32,455.40
  6. Step 6: Final answer
    x = 42,571.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.