Home / 31,573.69-47,359.47-9,387.18

Finding the Fourth Proportional to 31,573.69, 47,359.47 and 9,387.18

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Solution

The fourth proportional to 31,573.69, 47,359.47 and 9,387.18 is: 14,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,573.69 : 47,359.47 = 9,387.18 : x
  2. Step 2: Convert to fraction form
    31,573.69/47,359.47 = 9,387.18/x
  3. Step 3: Cross multiply
    31,573.69x = 47,359.47 × 9,387.18
  4. Step 4: Simplify right side
    31,573.69x = 444,571,869.59
  5. Step 5: Solve for x
    x = 444,571,869.59/31,573.69
  6. Step 6: Final answer
    x = 14,080.45

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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.