Home / 31,985.04-44,127.74-18,548.88

Finding the Fourth Proportional to 31,985.04, 44,127.74 and 18,548.88

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Solution

The fourth proportional to 31,985.04, 44,127.74 and 18,548.88 is: 25,590.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,985.04 : 44,127.74 = 18,548.88 : x
  2. Step 2: Convert to fraction form
    31,985.04/44,127.74 = 18,548.88/x
  3. Step 3: Cross multiply
    31,985.04x = 44,127.74 × 18,548.88
  4. Step 4: Simplify right side
    31,985.04x = 818,520,153.93
  5. Step 5: Solve for x
    x = 818,520,153.93/31,985.04
  6. Step 6: Final answer
    x = 25,590.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.