Home / 53,603.18-73,967.54-29,729.78

Finding the Fourth Proportional to 53,603.18, 73,967.54 and 29,729.78

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Solution

The fourth proportional to 53,603.18, 73,967.54 and 29,729.78 is: 41,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,603.18 : 73,967.54 = 29,729.78 : x
  2. Step 2: Convert to fraction form
    53,603.18/73,967.54 = 29,729.78/x
  3. Step 3: Cross multiply
    53,603.18x = 73,967.54 × 29,729.78
  4. Step 4: Simplify right side
    53,603.18x = 2,199,038,172.85
  5. Step 5: Solve for x
    x = 2,199,038,172.85/53,603.18
  6. Step 6: Final answer
    x = 41,024.40

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1.5x scale

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.