Home / 66,330.50-99,495.14-26,878.23

Finding the Fourth Proportional to 66,330.50, 99,495.14 and 26,878.23

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Solution

The fourth proportional to 66,330.50, 99,495.14 and 26,878.23 is: 40,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,330.50 : 99,495.14 = 26,878.23 : x
  2. Step 2: Convert to fraction form
    66,330.50/99,495.14 = 26,878.23/x
  3. Step 3: Cross multiply
    66,330.50x = 99,495.14 × 26,878.23
  4. Step 4: Simplify right side
    66,330.50x = 2,674,253,122.41
  5. Step 5: Solve for x
    x = 2,674,253,122.41/66,330.50
  6. Step 6: Final answer
    x = 40,317.10

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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.