Home / 42,223.20-63,295.20-15,945.60

Finding the Fourth Proportional to 42,223.20, 63,295.20 and 15,945.60

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Solution

The fourth proportional to 42,223.20, 63,295.20 and 15,945.60 is: 23,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,223.20 : 63,295.20 = 15,945.60 : x
  2. Step 2: Convert to fraction form
    42,223.20/63,295.20 = 15,945.60/x
  3. Step 3: Cross multiply
    42,223.20x = 63,295.20 × 15,945.60
  4. Step 4: Simplify right side
    42,223.20x = 1,009,279,941.12
  5. Step 5: Solve for x
    x = 1,009,279,941.12/42,223.20
  6. Step 6: Final answer
    x = 23,903.45

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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.