Home / 31,357.59-43,273.64-17,210.45

Finding the Fourth Proportional to 31,357.59, 43,273.64 and 17,210.45

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Solution

The fourth proportional to 31,357.59, 43,273.64 and 17,210.45 is: 23,750.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,357.59 : 43,273.64 = 17,210.45 : x
  2. Step 2: Convert to fraction form
    31,357.59/43,273.64 = 17,210.45/x
  3. Step 3: Cross multiply
    31,357.59x = 43,273.64 × 17,210.45
  4. Step 4: Simplify right side
    31,357.59x = 744,758,515.12
  5. Step 5: Solve for x
    x = 744,758,515.12/31,357.59
  6. Step 6: Final answer
    x = 23,750.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.