Home / 42,102.48-63,152.16-10,512.48

Finding the Fourth Proportional to 42,102.48, 63,152.16 and 10,512.48

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Solution

The fourth proportional to 42,102.48, 63,152.16 and 10,512.48 is: 15,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,102.48 : 63,152.16 = 10,512.48 : x
  2. Step 2: Convert to fraction form
    42,102.48/63,152.16 = 10,512.48/x
  3. Step 3: Cross multiply
    42,102.48x = 63,152.16 × 10,512.48
  4. Step 4: Simplify right side
    42,102.48x = 663,885,818.96
  5. Step 5: Solve for x
    x = 663,885,818.96/42,102.48
  6. Step 6: Final answer
    x = 15,768.33

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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.