Home / 35,759.57-53,643.09-13,276.40

Finding the Fourth Proportional to 35,759.57, 53,643.09 and 13,276.40

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Solution

The fourth proportional to 35,759.57, 53,643.09 and 13,276.40 is: 19,915.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,759.57 : 53,643.09 = 13,276.40 : x
  2. Step 2: Convert to fraction form
    35,759.57/53,643.09 = 13,276.40/x
  3. Step 3: Cross multiply
    35,759.57x = 53,643.09 × 13,276.40
  4. Step 4: Simplify right side
    35,759.57x = 712,186,851.86
  5. Step 5: Solve for x
    x = 712,186,851.86/35,759.57
  6. Step 6: Final answer
    x = 19,915.98

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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.