Home / 51,006.72-70,395.84-28,655.04

Finding the Fourth Proportional to 51,006.72, 70,395.84 and 28,655.04

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Solution

The fourth proportional to 51,006.72, 70,395.84 and 28,655.04 is: 39,547.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,006.72 : 70,395.84 = 28,655.04 : x
  2. Step 2: Convert to fraction form
    51,006.72/70,395.84 = 28,655.04/x
  3. Step 3: Cross multiply
    51,006.72x = 70,395.84 × 28,655.04
  4. Step 4: Simplify right side
    51,006.72x = 2,017,195,611.03
  5. Step 5: Solve for x
    x = 2,017,195,611.03/51,006.72
  6. Step 6: Final answer
    x = 39,547.64

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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.