Home / 31,502.89-47,263.57-9,316.86

Finding the Fourth Proportional to 31,502.89, 47,263.57 and 9,316.86

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Solution

The fourth proportional to 31,502.89, 47,263.57 and 9,316.86 is: 13,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,502.89 : 47,263.57 = 9,316.86 : x
  2. Step 2: Convert to fraction form
    31,502.89/47,263.57 = 9,316.86/x
  3. Step 3: Cross multiply
    31,502.89x = 47,263.57 × 9,316.86
  4. Step 4: Simplify right side
    31,502.89x = 440,347,864.26
  5. Step 5: Solve for x
    x = 440,347,864.26/31,502.89
  6. Step 6: Final answer
    x = 13,978.01

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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.