Home / 42,425.53-63,639.92-11,261.05

Finding the Fourth Proportional to 42,425.53, 63,639.92 and 11,261.05

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Solution

The fourth proportional to 42,425.53, 63,639.92 and 11,261.05 is: 16,892.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,425.53 : 63,639.92 = 11,261.05 : x
  2. Step 2: Convert to fraction form
    42,425.53/63,639.92 = 11,261.05/x
  3. Step 3: Cross multiply
    42,425.53x = 63,639.92 × 11,261.05
  4. Step 4: Simplify right side
    42,425.53x = 716,652,264.81
  5. Step 5: Solve for x
    x = 716,652,264.81/42,425.53
  6. Step 6: Final answer
    x = 16,892.00

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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.