Home / 31,548.16-47,539.86-28,586.47

Finding the Fourth Proportional to 31,548.16, 47,539.86 and 28,586.47

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Solution

The fourth proportional to 31,548.16, 47,539.86 and 28,586.47 is: 43,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,548.16 : 47,539.86 = 28,586.47 : x
  2. Step 2: Convert to fraction form
    31,548.16/47,539.86 = 28,586.47/x
  3. Step 3: Cross multiply
    31,548.16x = 47,539.86 × 28,586.47
  4. Step 4: Simplify right side
    31,548.16x = 1,358,996,805.58
  5. Step 5: Solve for x
    x = 1,358,996,805.58/31,548.16
  6. Step 6: Final answer
    x = 43,076.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.