Home / 35,477.10-53,195.40-13,291.20

Finding the Fourth Proportional to 35,477.10, 53,195.40 and 13,291.20

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Solution

The fourth proportional to 35,477.10, 53,195.40 and 13,291.20 is: 19,929.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,477.10 : 53,195.40 = 13,291.20 : x
  2. Step 2: Convert to fraction form
    35,477.10/53,195.40 = 13,291.20/x
  3. Step 3: Cross multiply
    35,477.10x = 53,195.40 × 13,291.20
  4. Step 4: Simplify right side
    35,477.10x = 707,030,700.48
  5. Step 5: Solve for x
    x = 707,030,700.48/35,477.10
  6. Step 6: Final answer
    x = 19,929.21

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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.