Home / 31,527.28-47,207.49-19,030.60

Finding the Fourth Proportional to 31,527.28, 47,207.49 and 19,030.60

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Solution

The fourth proportional to 31,527.28, 47,207.49 and 19,030.60 is: 28,495.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,527.28 : 47,207.49 = 19,030.60 : x
  2. Step 2: Convert to fraction form
    31,527.28/47,207.49 = 19,030.60/x
  3. Step 3: Cross multiply
    31,527.28x = 47,207.49 × 19,030.60
  4. Step 4: Simplify right side
    31,527.28x = 898,386,859.19
  5. Step 5: Solve for x
    x = 898,386,859.19/31,527.28
  6. Step 6: Final answer
    x = 28,495.54

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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.