Home / 31,528.39-47,292.51-10,470.01

Finding the Fourth Proportional to 31,528.39, 47,292.51 and 10,470.01

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Solution

The fourth proportional to 31,528.39, 47,292.51 and 10,470.01 is: 15,704.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,528.39 : 47,292.51 = 10,470.01 : x
  2. Step 2: Convert to fraction form
    31,528.39/47,292.51 = 10,470.01/x
  3. Step 3: Cross multiply
    31,528.39x = 47,292.51 × 10,470.01
  4. Step 4: Simplify right side
    31,528.39x = 495,153,003.44
  5. Step 5: Solve for x
    x = 495,153,003.44/31,528.39
  6. Step 6: Final answer
    x = 15,704.99

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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.