Home / 45,141.36-67,715.82-15,547.20

Finding the Fourth Proportional to 45,141.36, 67,715.82 and 15,547.20

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Solution

The fourth proportional to 45,141.36, 67,715.82 and 15,547.20 is: 23,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,141.36 : 67,715.82 = 15,547.20 : x
  2. Step 2: Convert to fraction form
    45,141.36/67,715.82 = 15,547.20/x
  3. Step 3: Cross multiply
    45,141.36x = 67,715.82 × 15,547.20
  4. Step 4: Simplify right side
    45,141.36x = 1,052,791,396.70
  5. Step 5: Solve for x
    x = 1,052,791,396.70/45,141.36
  6. Step 6: Final answer
    x = 23,322.10

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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.