Home / 42,008.77-63,014.36-15,708.49

Finding the Fourth Proportional to 42,008.77, 63,014.36 and 15,708.49

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Solution

The fourth proportional to 42,008.77, 63,014.36 and 15,708.49 is: 23,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,008.77 : 63,014.36 = 15,708.49 : x
  2. Step 2: Convert to fraction form
    42,008.77/63,014.36 = 15,708.49/x
  3. Step 3: Cross multiply
    42,008.77x = 63,014.36 × 15,708.49
  4. Step 4: Simplify right side
    42,008.77x = 989,860,365.37
  5. Step 5: Solve for x
    x = 989,860,365.37/42,008.77
  6. Step 6: Final answer
    x = 23,563.18

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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.