Home / 32,490.23-48,737.93-12,509.40

Finding the Fourth Proportional to 32,490.23, 48,737.93 and 12,509.40

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Solution

The fourth proportional to 32,490.23, 48,737.93 and 12,509.40 is: 18,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,490.23 : 48,737.93 = 12,509.40 : x
  2. Step 2: Convert to fraction form
    32,490.23/48,737.93 = 12,509.40/x
  3. Step 3: Cross multiply
    32,490.23x = 48,737.93 × 12,509.40
  4. Step 4: Simplify right side
    32,490.23x = 609,682,381.76
  5. Step 5: Solve for x
    x = 609,682,381.76/32,490.23
  6. Step 6: Final answer
    x = 18,765.10

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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.