Home / 30,564.84-45,851.37-13,038.77

Finding the Fourth Proportional to 30,564.84, 45,851.37 and 13,038.77

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Solution

The fourth proportional to 30,564.84, 45,851.37 and 13,038.77 is: 19,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,564.84 : 45,851.37 = 13,038.77 : x
  2. Step 2: Convert to fraction form
    30,564.84/45,851.37 = 13,038.77/x
  3. Step 3: Cross multiply
    30,564.84x = 45,851.37 × 13,038.77
  4. Step 4: Simplify right side
    30,564.84x = 597,845,533.35
  5. Step 5: Solve for x
    x = 597,845,533.35/30,564.84
  6. Step 6: Final answer
    x = 19,559.91

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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.