Home / 48,009.10-72,013.65-16,840.30

Finding the Fourth Proportional to 48,009.10, 72,013.65 and 16,840.30

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Solution

The fourth proportional to 48,009.10, 72,013.65 and 16,840.30 is: 25,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,009.10 : 72,013.65 = 16,840.30 : x
  2. Step 2: Convert to fraction form
    48,009.10/72,013.65 = 16,840.30/x
  3. Step 3: Cross multiply
    48,009.10x = 72,013.65 × 16,840.30
  4. Step 4: Simplify right side
    48,009.10x = 1,212,731,470.10
  5. Step 5: Solve for x
    x = 1,212,731,470.10/48,009.10
  6. Step 6: Final answer
    x = 25,260.45

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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.