Home / 45,012.72-62,102.40-29,117.28

Finding the Fourth Proportional to 45,012.72, 62,102.40 and 29,117.28

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Solution

The fourth proportional to 45,012.72, 62,102.40 and 29,117.28 is: 40,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,012.72 : 62,102.40 = 29,117.28 : x
  2. Step 2: Convert to fraction form
    45,012.72/62,102.40 = 29,117.28/x
  3. Step 3: Cross multiply
    45,012.72x = 62,102.40 × 29,117.28
  4. Step 4: Simplify right side
    45,012.72x = 1,808,252,969.47
  5. Step 5: Solve for x
    x = 1,808,252,969.47/45,012.72
  6. Step 6: Final answer
    x = 40,172.04

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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.