Home / 60,902.04-91,348.67-18,777.72

Finding the Fourth Proportional to 60,902.04, 91,348.67 and 18,777.72

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Solution

The fourth proportional to 60,902.04, 91,348.67 and 18,777.72 is: 28,165.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,902.04 : 91,348.67 = 18,777.72 : x
  2. Step 2: Convert to fraction form
    60,902.04/91,348.67 = 18,777.72/x
  3. Step 3: Cross multiply
    60,902.04x = 91,348.67 × 18,777.72
  4. Step 4: Simplify right side
    60,902.04x = 1,715,319,747.63
  5. Step 5: Solve for x
    x = 1,715,319,747.63/60,902.04
  6. Step 6: Final answer
    x = 28,165.23

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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.