Home / 31,970.61-44,117.01-18,543.69

Finding the Fourth Proportional to 31,970.61, 44,117.01 and 18,543.69

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Solution

The fourth proportional to 31,970.61, 44,117.01 and 18,543.69 is: 25,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,970.61 : 44,117.01 = 18,543.69 : x
  2. Step 2: Convert to fraction form
    31,970.61/44,117.01 = 18,543.69/x
  3. Step 3: Cross multiply
    31,970.61x = 44,117.01 × 18,543.69
  4. Step 4: Simplify right side
    31,970.61x = 818,092,157.17
  5. Step 5: Solve for x
    x = 818,092,157.17/31,970.61
  6. Step 6: Final answer
    x = 25,588.88

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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.