Home / 55,432.50-83,154.20-14,905.51

Finding the Fourth Proportional to 55,432.50, 83,154.20 and 14,905.51

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Solution

The fourth proportional to 55,432.50, 83,154.20 and 14,905.51 is: 22,359.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,432.50 : 83,154.20 = 14,905.51 : x
  2. Step 2: Convert to fraction form
    55,432.50/83,154.20 = 14,905.51/x
  3. Step 3: Cross multiply
    55,432.50x = 83,154.20 × 14,905.51
  4. Step 4: Simplify right side
    55,432.50x = 1,239,455,589.02
  5. Step 5: Solve for x
    x = 1,239,455,589.02/55,432.50
  6. Step 6: Final answer
    x = 22,359.73

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1.5x scale

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.