Home / 31,985.07-44,125.13-18,548.55

Finding the Fourth Proportional to 31,985.07, 44,125.13 and 18,548.55

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Solution

The fourth proportional to 31,985.07, 44,125.13 and 18,548.55 is: 25,588.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,985.07 : 44,125.13 = 18,548.55 : x
  2. Step 2: Convert to fraction form
    31,985.07/44,125.13 = 18,548.55/x
  3. Step 3: Cross multiply
    31,985.07x = 44,125.13 × 18,548.55
  4. Step 4: Simplify right side
    31,985.07x = 818,457,005.81
  5. Step 5: Solve for x
    x = 818,457,005.81/31,985.07
  6. Step 6: Final answer
    x = 25,588.72

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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.