Home / 48,203.01-72,302.40-13,142.55

Finding the Fourth Proportional to 48,203.01, 72,302.40 and 13,142.55

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Solution

The fourth proportional to 48,203.01, 72,302.40 and 13,142.55 is: 19,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,203.01 : 72,302.40 = 13,142.55 : x
  2. Step 2: Convert to fraction form
    48,203.01/72,302.40 = 13,142.55/x
  3. Step 3: Cross multiply
    48,203.01x = 72,302.40 × 13,142.55
  4. Step 4: Simplify right side
    48,203.01x = 950,237,907.12
  5. Step 5: Solve for x
    x = 950,237,907.12/48,203.01
  6. Step 6: Final answer
    x = 19,713.25

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1.5x scale

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.