Home / 19,938.60-29,859.30-14,981.40

Finding the Fourth Proportional to 19,938.60, 29,859.30 and 14,981.40

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Solution

The fourth proportional to 19,938.60, 29,859.30 and 14,981.40 is: 22,435.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.60 : 29,859.30 = 14,981.40 : x
  2. Step 2: Convert to fraction form
    19,938.60/29,859.30 = 14,981.40/x
  3. Step 3: Cross multiply
    19,938.60x = 29,859.30 × 14,981.40
  4. Step 4: Simplify right side
    19,938.60x = 447,334,117.02
  5. Step 5: Solve for x
    x = 447,334,117.02/19,938.60
  6. Step 6: Final answer
    x = 22,435.58

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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.