Home / 53,970.40-74,449.20-31,610.08

Finding the Fourth Proportional to 53,970.40, 74,449.20 and 31,610.08

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Solution

The fourth proportional to 53,970.40, 74,449.20 and 31,610.08 is: 43,604.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,970.40 : 74,449.20 = 31,610.08 : x
  2. Step 2: Convert to fraction form
    53,970.40/74,449.20 = 31,610.08/x
  3. Step 3: Cross multiply
    53,970.40x = 74,449.20 × 31,610.08
  4. Step 4: Simplify right side
    53,970.40x = 2,353,345,167.94
  5. Step 5: Solve for x
    x = 2,353,345,167.94/53,970.40
  6. Step 6: Final answer
    x = 43,604.37

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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.