Home / 45,421.88-68,130.06-16,953.32

Finding the Fourth Proportional to 45,421.88, 68,130.06 and 16,953.32

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Solution

The fourth proportional to 45,421.88, 68,130.06 and 16,953.32 is: 25,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,421.88 : 68,130.06 = 16,953.32 : x
  2. Step 2: Convert to fraction form
    45,421.88/68,130.06 = 16,953.32/x
  3. Step 3: Cross multiply
    45,421.88x = 68,130.06 × 16,953.32
  4. Step 4: Simplify right side
    45,421.88x = 1,155,030,368.15
  5. Step 5: Solve for x
    x = 1,155,030,368.15/45,421.88
  6. Step 6: Final answer
    x = 25,428.95

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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.