Home / 42,076.85-63,065.08-19,557.11

Finding the Fourth Proportional to 42,076.85, 63,065.08 and 19,557.11

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Solution

The fourth proportional to 42,076.85, 63,065.08 and 19,557.11 is: 29,312.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,076.85 : 63,065.08 = 19,557.11 : x
  2. Step 2: Convert to fraction form
    42,076.85/63,065.08 = 19,557.11/x
  3. Step 3: Cross multiply
    42,076.85x = 63,065.08 × 19,557.11
  4. Step 4: Simplify right side
    42,076.85x = 1,233,370,361.35
  5. Step 5: Solve for x
    x = 1,233,370,361.35/42,076.85
  6. Step 6: Final answer
    x = 29,312.32

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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.