Home / 42,036.66-63,038.57-18,351.45

Finding the Fourth Proportional to 42,036.66, 63,038.57 and 18,351.45

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Solution

The fourth proportional to 42,036.66, 63,038.57 and 18,351.45 is: 27,520.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,036.66 : 63,038.57 = 18,351.45 : x
  2. Step 2: Convert to fraction form
    42,036.66/63,038.57 = 18,351.45/x
  3. Step 3: Cross multiply
    42,036.66x = 63,038.57 × 18,351.45
  4. Step 4: Simplify right side
    42,036.66x = 1,156,849,165.43
  5. Step 5: Solve for x
    x = 1,156,849,165.43/42,036.66
  6. Step 6: Final answer
    x = 27,520.01

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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.