Home / 38,368.47-52,950.92-21,602.55

Finding the Fourth Proportional to 38,368.47, 52,950.92 and 21,602.55

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Solution

The fourth proportional to 38,368.47, 52,950.92 and 21,602.55 is: 29,812.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,368.47 : 52,950.92 = 21,602.55 : x
  2. Step 2: Convert to fraction form
    38,368.47/52,950.92 = 21,602.55/x
  3. Step 3: Cross multiply
    38,368.47x = 52,950.92 × 21,602.55
  4. Step 4: Simplify right side
    38,368.47x = 1,143,874,896.85
  5. Step 5: Solve for x
    x = 1,143,874,896.85/38,368.47
  6. Step 6: Final answer
    x = 29,812.89

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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.