Home / 55,023.04-82,536.16-13,470

Finding the Fourth Proportional to 55,023.04, 82,536.16 and 13,470

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Solution

The fourth proportional to 55,023.04, 82,536.16 and 13,470 is: 20,205.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,023.04 : 82,536.16 = 13,470 : x
  2. Step 2: Convert to fraction form
    55,023.04/82,536.16 = 13,470/x
  3. Step 3: Cross multiply
    55,023.04x = 82,536.16 × 13,470
  4. Step 4: Simplify right side
    55,023.04x = 1,111,762,075.20
  5. Step 5: Solve for x
    x = 1,111,762,075.20/55,023.04
  6. Step 6: Final answer
    x = 20,205.39

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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.