Home / 32,005.09-47,987.10-13,298.05

Finding the Fourth Proportional to 32,005.09, 47,987.10 and 13,298.05

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Solution

The fourth proportional to 32,005.09, 47,987.10 and 13,298.05 is: 19,938.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,005.09 : 47,987.10 = 13,298.05 : x
  2. Step 2: Convert to fraction form
    32,005.09/47,987.10 = 13,298.05/x
  3. Step 3: Cross multiply
    32,005.09x = 47,987.10 × 13,298.05
  4. Step 4: Simplify right side
    32,005.09x = 638,134,855.16
  5. Step 5: Solve for x
    x = 638,134,855.16/32,005.09
  6. Step 6: Final answer
    x = 19,938.54

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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.