Home / 34,530.89-47,639.13-19,420.08

Finding the Fourth Proportional to 34,530.89, 47,639.13 and 19,420.08

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Solution

The fourth proportional to 34,530.89, 47,639.13 and 19,420.08 is: 26,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,530.89 : 47,639.13 = 19,420.08 : x
  2. Step 2: Convert to fraction form
    34,530.89/47,639.13 = 19,420.08/x
  3. Step 3: Cross multiply
    34,530.89x = 47,639.13 × 19,420.08
  4. Step 4: Simplify right side
    34,530.89x = 925,155,642.91
  5. Step 5: Solve for x
    x = 925,155,642.91/34,530.89
  6. Step 6: Final answer
    x = 26,792.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.