Home / 48,240.63-72,362.16-13,180.59

Finding the Fourth Proportional to 48,240.63, 72,362.16 and 13,180.59

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Solution

The fourth proportional to 48,240.63, 72,362.16 and 13,180.59 is: 19,771.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,240.63 : 72,362.16 = 13,180.59 : x
  2. Step 2: Convert to fraction form
    48,240.63/72,362.16 = 13,180.59/x
  3. Step 3: Cross multiply
    48,240.63x = 72,362.16 × 13,180.59
  4. Step 4: Simplify right side
    48,240.63x = 953,775,962.47
  5. Step 5: Solve for x
    x = 953,775,962.47/48,240.63
  6. Step 6: Final answer
    x = 19,771.22

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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.