Home / 45,457.28-68,196.25-13,870.17

Finding the Fourth Proportional to 45,457.28, 68,196.25 and 13,870.17

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Solution

The fourth proportional to 45,457.28, 68,196.25 and 13,870.17 is: 20,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,457.28 : 68,196.25 = 13,870.17 : x
  2. Step 2: Convert to fraction form
    45,457.28/68,196.25 = 13,870.17/x
  3. Step 3: Cross multiply
    45,457.28x = 68,196.25 × 13,870.17
  4. Step 4: Simplify right side
    45,457.28x = 945,893,598.20
  5. Step 5: Solve for x
    x = 945,893,598.20/45,457.28
  6. Step 6: Final answer
    x = 20,808.41

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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.