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Finding the Fourth Proportional to 35,604.90, 53,402.71 and 9,311.67

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Solution

The fourth proportional to 35,604.90, 53,402.71 and 9,311.67 is: 13,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,604.90 : 53,402.71 = 9,311.67 : x
  2. Step 2: Convert to fraction form
    35,604.90/53,402.71 = 9,311.67/x
  3. Step 3: Cross multiply
    35,604.90x = 53,402.71 × 9,311.67
  4. Step 4: Simplify right side
    35,604.90x = 497,268,412.63
  5. Step 5: Solve for x
    x = 497,268,412.63/35,604.90
  6. Step 6: Final answer
    x = 13,966.29

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1.5x scale

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.