Home / 38,325.09-52,888.58-21,558.09

Finding the Fourth Proportional to 38,325.09, 52,888.58 and 21,558.09

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Solution

The fourth proportional to 38,325.09, 52,888.58 and 21,558.09 is: 29,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,325.09 : 52,888.58 = 21,558.09 : x
  2. Step 2: Convert to fraction form
    38,325.09/52,888.58 = 21,558.09/x
  3. Step 3: Cross multiply
    38,325.09x = 52,888.58 × 21,558.09
  4. Step 4: Simplify right side
    38,325.09x = 1,140,176,395.38
  5. Step 5: Solve for x
    x = 1,140,176,395.38/38,325.09
  6. Step 6: Final answer
    x = 29,750.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.