Home / 31,353.95-47,030.02-9,167.85

Finding the Fourth Proportional to 31,353.95, 47,030.02 and 9,167.85

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Solution

The fourth proportional to 31,353.95, 47,030.02 and 9,167.85 is: 13,751.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353.95 : 47,030.02 = 9,167.85 : x
  2. Step 2: Convert to fraction form
    31,353.95/47,030.02 = 9,167.85/x
  3. Step 3: Cross multiply
    31,353.95x = 47,030.02 × 9,167.85
  4. Step 4: Simplify right side
    31,353.95x = 431,164,145.94
  5. Step 5: Solve for x
    x = 431,164,145.94/31,353.95
  6. Step 6: Final answer
    x = 13,751.51

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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.