Home / 42,009.52-63,015.48-15,709.24

Finding the Fourth Proportional to 42,009.52, 63,015.48 and 15,709.24

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Solution

The fourth proportional to 42,009.52, 63,015.48 and 15,709.24 is: 23,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,009.52 : 63,015.48 = 15,709.24 : x
  2. Step 2: Convert to fraction form
    42,009.52/63,015.48 = 15,709.24/x
  3. Step 3: Cross multiply
    42,009.52x = 63,015.48 × 15,709.24
  4. Step 4: Simplify right side
    42,009.52x = 989,925,299.04
  5. Step 5: Solve for x
    x = 989,925,299.04/42,009.52
  6. Step 6: Final answer
    x = 23,564.31

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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.