Home / 42,230.10-63,308.70-21,453.60

Finding the Fourth Proportional to 42,230.10, 63,308.70 and 21,453.60

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Solution

The fourth proportional to 42,230.10, 63,308.70 and 21,453.60 is: 32,161.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,230.10 : 63,308.70 = 21,453.60 : x
  2. Step 2: Convert to fraction form
    42,230.10/63,308.70 = 21,453.60/x
  3. Step 3: Cross multiply
    42,230.10x = 63,308.70 × 21,453.60
  4. Step 4: Simplify right side
    42,230.10x = 1,358,199,526.32
  5. Step 5: Solve for x
    x = 1,358,199,526.32/42,230.10
  6. Step 6: Final answer
    x = 32,161.88

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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.