Home / 30,652.72-45,955.64-14,001.20

Finding the Fourth Proportional to 30,652.72, 45,955.64 and 14,001.20

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Solution

The fourth proportional to 30,652.72, 45,955.64 and 14,001.20 is: 20,991.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,652.72 : 45,955.64 = 14,001.20 : x
  2. Step 2: Convert to fraction form
    30,652.72/45,955.64 = 14,001.20/x
  3. Step 3: Cross multiply
    30,652.72x = 45,955.64 × 14,001.20
  4. Step 4: Simplify right side
    30,652.72x = 643,434,106.77
  5. Step 5: Solve for x
    x = 643,434,106.77/30,652.72
  6. Step 6: Final answer
    x = 20,991.09

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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.