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Finding the Fourth Proportional to 35,658.96, 53,477.52 and 13,482.78

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Solution

The fourth proportional to 35,658.96, 53,477.52 and 13,482.78 is: 20,220.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,658.96 : 53,477.52 = 13,482.78 : x
  2. Step 2: Convert to fraction form
    35,658.96/53,477.52 = 13,482.78/x
  3. Step 3: Cross multiply
    35,658.96x = 53,477.52 × 13,482.78
  4. Step 4: Simplify right side
    35,658.96x = 721,025,637.11
  5. Step 5: Solve for x
    x = 721,025,637.11/35,658.96
  6. Step 6: Final answer
    x = 20,220.04

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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.