Home / 32,490.19-48,737.01-9,118.45

Finding the Fourth Proportional to 32,490.19, 48,737.01 and 9,118.45

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Solution

The fourth proportional to 32,490.19, 48,737.01 and 9,118.45 is: 13,678.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,490.19 : 48,737.01 = 9,118.45 : x
  2. Step 2: Convert to fraction form
    32,490.19/48,737.01 = 9,118.45/x
  3. Step 3: Cross multiply
    32,490.19x = 48,737.01 × 9,118.45
  4. Step 4: Simplify right side
    32,490.19x = 444,406,032.66
  5. Step 5: Solve for x
    x = 444,406,032.66/32,490.19
  6. Step 6: Final answer
    x = 13,678.16

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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.