Home / 55,541.02-76,646.29-30,047.31

Finding the Fourth Proportional to 55,541.02, 76,646.29 and 30,047.31

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Solution

The fourth proportional to 55,541.02, 76,646.29 and 30,047.31 is: 41,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,541.02 : 76,646.29 = 30,047.31 : x
  2. Step 2: Convert to fraction form
    55,541.02/76,646.29 = 30,047.31/x
  3. Step 3: Cross multiply
    55,541.02x = 76,646.29 × 30,047.31
  4. Step 4: Simplify right side
    55,541.02x = 2,303,014,644.36
  5. Step 5: Solve for x
    x = 2,303,014,644.36/55,541.02
  6. Step 6: Final answer
    x = 41,465.11

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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.