Home / 53,989.81-80,986.61-14,547.87

Finding the Fourth Proportional to 53,989.81, 80,986.61 and 14,547.87

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Solution

The fourth proportional to 53,989.81, 80,986.61 and 14,547.87 is: 21,822.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,989.81 : 80,986.61 = 14,547.87 : x
  2. Step 2: Convert to fraction form
    53,989.81/80,986.61 = 14,547.87/x
  3. Step 3: Cross multiply
    53,989.81x = 80,986.61 × 14,547.87
  4. Step 4: Simplify right side
    53,989.81x = 1,178,182,710.39
  5. Step 5: Solve for x
    x = 1,178,182,710.39/53,989.81
  6. Step 6: Final answer
    x = 21,822.32

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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.