Home / 66,420.54-99,648.50-26,956.13

Finding the Fourth Proportional to 66,420.54, 99,648.50 and 26,956.13

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Solution

The fourth proportional to 66,420.54, 99,648.50 and 26,956.13 is: 40,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,420.54 : 99,648.50 = 26,956.13 : x
  2. Step 2: Convert to fraction form
    66,420.54/99,648.50 = 26,956.13/x
  3. Step 3: Cross multiply
    66,420.54x = 99,648.50 × 26,956.13
  4. Step 4: Simplify right side
    66,420.54x = 2,686,137,287.28
  5. Step 5: Solve for x
    x = 2,686,137,287.28/66,420.54
  6. Step 6: Final answer
    x = 40,441.36

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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.