Home / 40,320.12-55,666.62-25,985

Finding the Fourth Proportional to 40,320.12, 55,666.62 and 25,985

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Solution

The fourth proportional to 40,320.12, 55,666.62 and 25,985 is: 35,875.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.12 : 55,666.62 = 25,985 : x
  2. Step 2: Convert to fraction form
    40,320.12/55,666.62 = 25,985/x
  3. Step 3: Cross multiply
    40,320.12x = 55,666.62 × 25,985
  4. Step 4: Simplify right side
    40,320.12x = 1,446,497,120.70
  5. Step 5: Solve for x
    x = 1,446,497,120.70/40,320.12
  6. Step 6: Final answer
    x = 35,875.32

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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.