Home / 32,528.40-48,772.80-12,783.30

Finding the Fourth Proportional to 32,528.40, 48,772.80 and 12,783.30

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Solution

The fourth proportional to 32,528.40, 48,772.80 and 12,783.30 is: 19,167.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,528.40 : 48,772.80 = 12,783.30 : x
  2. Step 2: Convert to fraction form
    32,528.40/48,772.80 = 12,783.30/x
  3. Step 3: Cross multiply
    32,528.40x = 48,772.80 × 12,783.30
  4. Step 4: Simplify right side
    32,528.40x = 623,477,334.24
  5. Step 5: Solve for x
    x = 623,477,334.24/32,528.40
  6. Step 6: Final answer
    x = 19,167.17

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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.