Home / 35,639.42-53,465.20-13,455.95

Finding the Fourth Proportional to 35,639.42, 53,465.20 and 13,455.95

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Solution

The fourth proportional to 35,639.42, 53,465.20 and 13,455.95 is: 20,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,639.42 : 53,465.20 = 13,455.95 : x
  2. Step 2: Convert to fraction form
    35,639.42/53,465.20 = 13,455.95/x
  3. Step 3: Cross multiply
    35,639.42x = 53,465.20 × 13,455.95
  4. Step 4: Simplify right side
    35,639.42x = 719,424,756.97
  5. Step 5: Solve for x
    x = 719,424,756.97/35,639.42
  6. Step 6: Final answer
    x = 20,186.21

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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.