Home / 31,430.52-43,374.56-17,283.69

Finding the Fourth Proportional to 31,430.52, 43,374.56 and 17,283.69

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Solution

The fourth proportional to 31,430.52, 43,374.56 and 17,283.69 is: 23,851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,430.52 : 43,374.56 = 17,283.69 : x
  2. Step 2: Convert to fraction form
    31,430.52/43,374.56 = 17,283.69/x
  3. Step 3: Cross multiply
    31,430.52x = 43,374.56 × 17,283.69
  4. Step 4: Simplify right side
    31,430.52x = 749,672,362.51
  5. Step 5: Solve for x
    x = 749,672,362.51/31,430.52
  6. Step 6: Final answer
    x = 23,851.73

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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.