Home / 45,312.01-67,968.69-15,730.78

Finding the Fourth Proportional to 45,312.01, 67,968.69 and 15,730.78

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Solution

The fourth proportional to 45,312.01, 67,968.69 and 15,730.78 is: 23,596.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,312.01 : 67,968.69 = 15,730.78 : x
  2. Step 2: Convert to fraction form
    45,312.01/67,968.69 = 15,730.78/x
  3. Step 3: Cross multiply
    45,312.01x = 67,968.69 × 15,730.78
  4. Step 4: Simplify right side
    45,312.01x = 1,069,200,531.40
  5. Step 5: Solve for x
    x = 1,069,200,531.40/45,312.01
  6. Step 6: Final answer
    x = 23,596.41

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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.