Home / 53,931.63-74,425.89-31,284.03

Finding the Fourth Proportional to 53,931.63, 74,425.89 and 31,284.03

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Solution

The fourth proportional to 53,931.63, 74,425.89 and 31,284.03 is: 43,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,931.63 : 74,425.89 = 31,284.03 : x
  2. Step 2: Convert to fraction form
    53,931.63/74,425.89 = 31,284.03/x
  3. Step 3: Cross multiply
    53,931.63x = 74,425.89 × 31,284.03
  4. Step 4: Simplify right side
    53,931.63x = 2,328,341,775.54
  5. Step 5: Solve for x
    x = 2,328,341,775.54/53,931.63
  6. Step 6: Final answer
    x = 43,172.10

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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.