Home / 42,601.29-63,901.94-13,018.88

Finding the Fourth Proportional to 42,601.29, 63,901.94 and 13,018.88

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Solution

The fourth proportional to 42,601.29, 63,901.94 and 13,018.88 is: 19,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,601.29 : 63,901.94 = 13,018.88 : x
  2. Step 2: Convert to fraction form
    42,601.29/63,901.94 = 13,018.88/x
  3. Step 3: Cross multiply
    42,601.29x = 63,901.94 × 13,018.88
  4. Step 4: Simplify right side
    42,601.29x = 831,931,616.89
  5. Step 5: Solve for x
    x = 831,931,616.89/42,601.29
  6. Step 6: Final answer
    x = 19,528.32

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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.