Home / 31,543.84-47,173.74-28,054.36

Finding the Fourth Proportional to 31,543.84, 47,173.74 and 28,054.36

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Solution

The fourth proportional to 31,543.84, 47,173.74 and 28,054.36 is: 41,955.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,543.84 : 47,173.74 = 28,054.36 : x
  2. Step 2: Convert to fraction form
    31,543.84/47,173.74 = 28,054.36/x
  3. Step 3: Cross multiply
    31,543.84x = 47,173.74 × 28,054.36
  4. Step 4: Simplify right side
    31,543.84x = 1,323,429,084.51
  5. Step 5: Solve for x
    x = 1,323,429,084.51/31,543.84
  6. Step 6: Final answer
    x = 41,955.23

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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.