Home / 30,162.14-45,258.30-13,534.06

Finding the Fourth Proportional to 30,162.14, 45,258.30 and 13,534.06

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Solution

The fourth proportional to 30,162.14, 45,258.30 and 13,534.06 is: 20,307.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,162.14 : 45,258.30 = 13,534.06 : x
  2. Step 2: Convert to fraction form
    30,162.14/45,258.30 = 13,534.06/x
  3. Step 3: Cross multiply
    30,162.14x = 45,258.30 × 13,534.06
  4. Step 4: Simplify right side
    30,162.14x = 612,528,547.70
  5. Step 5: Solve for x
    x = 612,528,547.70/30,162.14
  6. Step 6: Final answer
    x = 20,307.86

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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.