Home / 31,348.55-47,030.60-15,560.99

Finding the Fourth Proportional to 31,348.55, 47,030.60 and 15,560.99

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Solution

The fourth proportional to 31,348.55, 47,030.60 and 15,560.99 is: 23,345.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,348.55 : 47,030.60 = 15,560.99 : x
  2. Step 2: Convert to fraction form
    31,348.55/47,030.60 = 15,560.99/x
  3. Step 3: Cross multiply
    31,348.55x = 47,030.60 × 15,560.99
  4. Step 4: Simplify right side
    31,348.55x = 731,842,696.29
  5. Step 5: Solve for x
    x = 731,842,696.29/31,348.55
  6. Step 6: Final answer
    x = 23,345.34

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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.