Home / 31,360.42-47,035.77-9,168.58

Finding the Fourth Proportional to 31,360.42, 47,035.77 and 9,168.58

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Solution

The fourth proportional to 31,360.42, 47,035.77 and 9,168.58 is: 13,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360.42 : 47,035.77 = 9,168.58 : x
  2. Step 2: Convert to fraction form
    31,360.42/47,035.77 = 9,168.58/x
  3. Step 3: Cross multiply
    31,360.42x = 47,035.77 × 9,168.58
  4. Step 4: Simplify right side
    31,360.42x = 431,251,220.11
  5. Step 5: Solve for x
    x = 431,251,220.11/31,360.42
  6. Step 6: Final answer
    x = 13,751.45

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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.