Home / 31,456.02-47,176.47-9,263.40

Finding the Fourth Proportional to 31,456.02, 47,176.47 and 9,263.40

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Solution

The fourth proportional to 31,456.02, 47,176.47 and 9,263.40 is: 13,892.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,456.02 : 47,176.47 = 9,263.40 : x
  2. Step 2: Convert to fraction form
    31,456.02/47,176.47 = 9,263.40/x
  3. Step 3: Cross multiply
    31,456.02x = 47,176.47 × 9,263.40
  4. Step 4: Simplify right side
    31,456.02x = 437,014,512.20
  5. Step 5: Solve for x
    x = 437,014,512.20/31,456.02
  6. Step 6: Final answer
    x = 13,892.87

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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.