Home / 35,633.71-53,441.45-13,440.52

Finding the Fourth Proportional to 35,633.71, 53,441.45 and 13,440.52

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Solution

The fourth proportional to 35,633.71, 53,441.45 and 13,440.52 is: 20,157.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,633.71 : 53,441.45 = 13,440.52 : x
  2. Step 2: Convert to fraction form
    35,633.71/53,441.45 = 13,440.52/x
  3. Step 3: Cross multiply
    35,633.71x = 53,441.45 × 13,440.52
  4. Step 4: Simplify right side
    35,633.71x = 718,280,877.55
  5. Step 5: Solve for x
    x = 718,280,877.55/35,633.71
  6. Step 6: Final answer
    x = 20,157.34

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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.