Home / 37,332.80-55,999.20-18,670.40

Finding the Fourth Proportional to 37,332.80, 55,999.20 and 18,670.40

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Solution

The fourth proportional to 37,332.80, 55,999.20 and 18,670.40 is: 28,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,332.80 : 55,999.20 = 18,670.40 : x
  2. Step 2: Convert to fraction form
    37,332.80/55,999.20 = 18,670.40/x
  3. Step 3: Cross multiply
    37,332.80x = 55,999.20 × 18,670.40
  4. Step 4: Simplify right side
    37,332.80x = 1,045,527,463.68
  5. Step 5: Solve for x
    x = 1,045,527,463.68/37,332.80
  6. Step 6: Final answer
    x = 28,005.60

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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.