Home / 38,014.05-52,457.27-21,017.30

Finding the Fourth Proportional to 38,014.05, 52,457.27 and 21,017.30

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Solution

The fourth proportional to 38,014.05, 52,457.27 and 21,017.30 is: 29,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,014.05 : 52,457.27 = 21,017.30 : x
  2. Step 2: Convert to fraction form
    38,014.05/52,457.27 = 21,017.30/x
  3. Step 3: Cross multiply
    38,014.05x = 52,457.27 × 21,017.30
  4. Step 4: Simplify right side
    38,014.05x = 1,102,510,102.17
  5. Step 5: Solve for x
    x = 1,102,510,102.17/38,014.05
  6. Step 6: Final answer
    x = 29,002.70

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1.5x scale

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.