Home / 32,148.40-48,216.30-8,769.28

Finding the Fourth Proportional to 32,148.40, 48,216.30 and 8,769.28

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Solution

The fourth proportional to 32,148.40, 48,216.30 and 8,769.28 is: 13,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,148.40 : 48,216.30 = 8,769.28 : x
  2. Step 2: Convert to fraction form
    32,148.40/48,216.30 = 8,769.28/x
  3. Step 3: Cross multiply
    32,148.40x = 48,216.30 × 8,769.28
  4. Step 4: Simplify right side
    32,148.40x = 422,822,235.26
  5. Step 5: Solve for x
    x = 422,822,235.26/32,148.40
  6. Step 6: Final answer
    x = 13,152.20

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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.