Home / 35,941.20-53,913.40-12,248.40

Finding the Fourth Proportional to 35,941.20, 53,913.40 and 12,248.40

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Solution

The fourth proportional to 35,941.20, 53,913.40 and 12,248.40 is: 18,373.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,941.20 : 53,913.40 = 12,248.40 : x
  2. Step 2: Convert to fraction form
    35,941.20/53,913.40 = 12,248.40/x
  3. Step 3: Cross multiply
    35,941.20x = 53,913.40 × 12,248.40
  4. Step 4: Simplify right side
    35,941.20x = 660,352,888.56
  5. Step 5: Solve for x
    x = 660,352,888.56/35,941.20
  6. Step 6: Final answer
    x = 18,373.15

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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.