Home / 53,178.80-73,386.81-29,305.87

Finding the Fourth Proportional to 53,178.80, 73,386.81 and 29,305.87

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Solution

The fourth proportional to 53,178.80, 73,386.81 and 29,305.87 is: 40,442.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,178.80 : 73,386.81 = 29,305.87 : x
  2. Step 2: Convert to fraction form
    53,178.80/73,386.81 = 29,305.87/x
  3. Step 3: Cross multiply
    53,178.80x = 73,386.81 × 29,305.87
  4. Step 4: Simplify right side
    53,178.80x = 2,150,664,130.11
  5. Step 5: Solve for x
    x = 2,150,664,130.11/53,178.80
  6. Step 6: Final answer
    x = 40,442.14

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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.