Home / 42,181.18-63,274.47-15,534.34

Finding the Fourth Proportional to 42,181.18, 63,274.47 and 15,534.34

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Solution

The fourth proportional to 42,181.18, 63,274.47 and 15,534.34 is: 23,302.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,181.18 : 63,274.47 = 15,534.34 : x
  2. Step 2: Convert to fraction form
    42,181.18/63,274.47 = 15,534.34/x
  3. Step 3: Cross multiply
    42,181.18x = 63,274.47 × 15,534.34
  4. Step 4: Simplify right side
    42,181.18x = 982,927,130.30
  5. Step 5: Solve for x
    x = 982,927,130.30/42,181.18
  6. Step 6: Final answer
    x = 23,302.50

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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.