Home / 42,320.07-63,483.48-15,660.54

Finding the Fourth Proportional to 42,320.07, 63,483.48 and 15,660.54

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Solution

The fourth proportional to 42,320.07, 63,483.48 and 15,660.54 is: 23,492.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,320.07 : 63,483.48 = 15,660.54 : x
  2. Step 2: Convert to fraction form
    42,320.07/63,483.48 = 15,660.54/x
  3. Step 3: Cross multiply
    42,320.07x = 63,483.48 × 15,660.54
  4. Step 4: Simplify right side
    42,320.07x = 994,185,577.88
  5. Step 5: Solve for x
    x = 994,185,577.88/42,320.07
  6. Step 6: Final answer
    x = 23,492.06

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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.