Home / 66,330.60-99,475.38-21,948.16

Finding the Fourth Proportional to 66,330.60, 99,475.38 and 21,948.16

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Solution

The fourth proportional to 66,330.60, 99,475.38 and 21,948.16 is: 32,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,330.60 : 99,475.38 = 21,948.16 : x
  2. Step 2: Convert to fraction form
    66,330.60/99,475.38 = 21,948.16/x
  3. Step 3: Cross multiply
    66,330.60x = 99,475.38 × 21,948.16
  4. Step 4: Simplify right side
    66,330.60x = 2,183,301,556.30
  5. Step 5: Solve for x
    x = 2,183,301,556.30/66,330.60
  6. Step 6: Final answer
    x = 32,915.45

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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.