Home / 32,210.71-48,330.45-12,490.81

Finding the Fourth Proportional to 32,210.71, 48,330.45 and 12,490.81

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Solution

The fourth proportional to 32,210.71, 48,330.45 and 12,490.81 is: 18,741.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,210.71 : 48,330.45 = 12,490.81 : x
  2. Step 2: Convert to fraction form
    32,210.71/48,330.45 = 12,490.81/x
  3. Step 3: Cross multiply
    32,210.71x = 48,330.45 × 12,490.81
  4. Step 4: Simplify right side
    32,210.71x = 603,686,468.16
  5. Step 5: Solve for x
    x = 603,686,468.16/32,210.71
  6. Step 6: Final answer
    x = 18,741.79

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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.