Home / 31,527.20-47,301.60-14,009.60

Finding the Fourth Proportional to 31,527.20, 47,301.60 and 14,009.60

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Solution

The fourth proportional to 31,527.20, 47,301.60 and 14,009.60 is: 21,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,527.20 : 47,301.60 = 14,009.60 : x
  2. Step 2: Convert to fraction form
    31,527.20/47,301.60 = 14,009.60/x
  3. Step 3: Cross multiply
    31,527.20x = 47,301.60 × 14,009.60
  4. Step 4: Simplify right side
    31,527.20x = 662,676,495.36
  5. Step 5: Solve for x
    x = 662,676,495.36/31,527.20
  6. Step 6: Final answer
    x = 21,019.20

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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.