Home / 31,518.59-47,283.08-10,458.86

Finding the Fourth Proportional to 31,518.59, 47,283.08 and 10,458.86

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Solution

The fourth proportional to 31,518.59, 47,283.08 and 10,458.86 is: 15,690.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.59 : 47,283.08 = 10,458.86 : x
  2. Step 2: Convert to fraction form
    31,518.59/47,283.08 = 10,458.86/x
  3. Step 3: Cross multiply
    31,518.59x = 47,283.08 × 10,458.86
  4. Step 4: Simplify right side
    31,518.59x = 494,526,825.38
  5. Step 5: Solve for x
    x = 494,526,825.38/31,518.59
  6. Step 6: Final answer
    x = 15,690.01

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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.