Home / 35,384.08-53,017.80-20,551.36

Finding the Fourth Proportional to 35,384.08, 53,017.80 and 20,551.36

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Solution

The fourth proportional to 35,384.08, 53,017.80 and 20,551.36 is: 30,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,384.08 : 53,017.80 = 20,551.36 : x
  2. Step 2: Convert to fraction form
    35,384.08/53,017.80 = 20,551.36/x
  3. Step 3: Cross multiply
    35,384.08x = 53,017.80 × 20,551.36
  4. Step 4: Simplify right side
    35,384.08x = 1,089,587,894.21
  5. Step 5: Solve for x
    x = 1,089,587,894.21/35,384.08
  6. Step 6: Final answer
    x = 30,793.17

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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.