Home / 35,386.88-53,088.51-12,013.31

Finding the Fourth Proportional to 35,386.88, 53,088.51 and 12,013.31

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Solution

The fourth proportional to 35,386.88, 53,088.51 and 12,013.31 is: 18,022.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,386.88 : 53,088.51 = 12,013.31 : x
  2. Step 2: Convert to fraction form
    35,386.88/53,088.51 = 12,013.31/x
  3. Step 3: Cross multiply
    35,386.88x = 53,088.51 × 12,013.31
  4. Step 4: Simplify right side
    35,386.88x = 637,768,905.84
  5. Step 5: Solve for x
    x = 637,768,905.84/35,386.88
  6. Step 6: Final answer
    x = 18,022.75

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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.