Home / 38,328.67-52,893.12-21,332.62

Finding the Fourth Proportional to 38,328.67, 52,893.12 and 21,332.62

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Solution

The fourth proportional to 38,328.67, 52,893.12 and 21,332.62 is: 29,438.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,328.67 : 52,893.12 = 21,332.62 : x
  2. Step 2: Convert to fraction form
    38,328.67/52,893.12 = 21,332.62/x
  3. Step 3: Cross multiply
    38,328.67x = 52,893.12 × 21,332.62
  4. Step 4: Simplify right side
    38,328.67x = 1,128,348,697.34
  5. Step 5: Solve for x
    x = 1,128,348,697.34/38,328.67
  6. Step 6: Final answer
    x = 29,438.77

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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.