Home / 31,534.06-47,289.27-10,470.21

Finding the Fourth Proportional to 31,534.06, 47,289.27 and 10,470.21

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Solution

The fourth proportional to 31,534.06, 47,289.27 and 10,470.21 is: 15,701.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,534.06 : 47,289.27 = 10,470.21 : x
  2. Step 2: Convert to fraction form
    31,534.06/47,289.27 = 10,470.21/x
  3. Step 3: Cross multiply
    31,534.06x = 47,289.27 × 10,470.21
  4. Step 4: Simplify right side
    31,534.06x = 495,128,587.65
  5. Step 5: Solve for x
    x = 495,128,587.65/31,534.06
  6. Step 6: Final answer
    x = 15,701.39

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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.