Home / 45,028.23-67,543.70-15,445.63

Finding the Fourth Proportional to 45,028.23, 67,543.70 and 15,445.63

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Solution

The fourth proportional to 45,028.23, 67,543.70 and 15,445.63 is: 23,168.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,028.23 : 67,543.70 = 15,445.63 : x
  2. Step 2: Convert to fraction form
    45,028.23/67,543.70 = 15,445.63/x
  3. Step 3: Cross multiply
    45,028.23x = 67,543.70 × 15,445.63
  4. Step 4: Simplify right side
    45,028.23x = 1,043,254,999.03
  5. Step 5: Solve for x
    x = 1,043,254,999.03/45,028.23
  6. Step 6: Final answer
    x = 23,168.91

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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.