Home / 53,977.77-74,496.02-31,014.72

Finding the Fourth Proportional to 53,977.77, 74,496.02 and 31,014.72

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Solution

The fourth proportional to 53,977.77, 74,496.02 and 31,014.72 is: 42,804.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,977.77 : 74,496.02 = 31,014.72 : x
  2. Step 2: Convert to fraction form
    53,977.77/74,496.02 = 31,014.72/x
  3. Step 3: Cross multiply
    53,977.77x = 74,496.02 × 31,014.72
  4. Step 4: Simplify right side
    53,977.77x = 2,310,473,046.34
  5. Step 5: Solve for x
    x = 2,310,473,046.34/53,977.77
  6. Step 6: Final answer
    x = 42,804.16

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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.