Home / 61,384.32-84,628.80-40,127.04

Finding the Fourth Proportional to 61,384.32, 84,628.80 and 40,127.04

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Solution

The fourth proportional to 61,384.32, 84,628.80 and 40,127.04 is: 55,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,384.32 : 84,628.80 = 40,127.04 : x
  2. Step 2: Convert to fraction form
    61,384.32/84,628.80 = 40,127.04/x
  3. Step 3: Cross multiply
    61,384.32x = 84,628.80 × 40,127.04
  4. Step 4: Simplify right side
    61,384.32x = 3,395,903,242.75
  5. Step 5: Solve for x
    x = 3,395,903,242.75/61,384.32
  6. Step 6: Final answer
    x = 55,322.00

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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.