Home / 40,698.20-61,038.06-14,402.94

Finding the Fourth Proportional to 40,698.20, 61,038.06 and 14,402.94

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Solution

The fourth proportional to 40,698.20, 61,038.06 and 14,402.94 is: 21,601.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,698.20 : 61,038.06 = 14,402.94 : x
  2. Step 2: Convert to fraction form
    40,698.20/61,038.06 = 14,402.94/x
  3. Step 3: Cross multiply
    40,698.20x = 61,038.06 × 14,402.94
  4. Step 4: Simplify right side
    40,698.20x = 879,127,515.90
  5. Step 5: Solve for x
    x = 879,127,515.90/40,698.20
  6. Step 6: Final answer
    x = 21,601.14

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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.