Home / 35,378.16-53,055.97-11,681.30

Finding the Fourth Proportional to 35,378.16, 53,055.97 and 11,681.30

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Solution

The fourth proportional to 35,378.16, 53,055.97 and 11,681.30 is: 17,518.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,378.16 : 53,055.97 = 11,681.30 : x
  2. Step 2: Convert to fraction form
    35,378.16/53,055.97 = 11,681.30/x
  3. Step 3: Cross multiply
    35,378.16x = 53,055.97 × 11,681.30
  4. Step 4: Simplify right side
    35,378.16x = 619,762,702.36
  5. Step 5: Solve for x
    x = 619,762,702.36/35,378.16
  6. Step 6: Final answer
    x = 17,518.23

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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.