Home / 55,798.64-83,688.71-18,359.18

Finding the Fourth Proportional to 55,798.64, 83,688.71 and 18,359.18

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Solution

The fourth proportional to 55,798.64, 83,688.71 and 18,359.18 is: 27,535.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,798.64 : 83,688.71 = 18,359.18 : x
  2. Step 2: Convert to fraction form
    55,798.64/83,688.71 = 18,359.18/x
  3. Step 3: Cross multiply
    55,798.64x = 83,688.71 × 18,359.18
  4. Step 4: Simplify right side
    55,798.64x = 1,536,455,580.62
  5. Step 5: Solve for x
    x = 1,536,455,580.62/55,798.64
  6. Step 6: Final answer
    x = 27,535.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.