Home / 40,483.63-60,729.50-12,403.36

Finding the Fourth Proportional to 40,483.63, 60,729.50 and 12,403.36

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Solution

The fourth proportional to 40,483.63, 60,729.50 and 12,403.36 is: 18,606.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,483.63 : 60,729.50 = 12,403.36 : x
  2. Step 2: Convert to fraction form
    40,483.63/60,729.50 = 12,403.36/x
  3. Step 3: Cross multiply
    40,483.63x = 60,729.50 × 12,403.36
  4. Step 4: Simplify right side
    40,483.63x = 753,249,851.12
  5. Step 5: Solve for x
    x = 753,249,851.12/40,483.63
  6. Step 6: Final answer
    x = 18,606.28

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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.