Home / 35,564.79-53,355.12-13,378.35

Finding the Fourth Proportional to 35,564.79, 53,355.12 and 13,378.35

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Solution

The fourth proportional to 35,564.79, 53,355.12 and 13,378.35 is: 20,070.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,564.79 : 53,355.12 = 13,378.35 : x
  2. Step 2: Convert to fraction form
    35,564.79/53,355.12 = 13,378.35/x
  3. Step 3: Cross multiply
    35,564.79x = 53,355.12 × 13,378.35
  4. Step 4: Simplify right side
    35,564.79x = 713,803,469.65
  5. Step 5: Solve for x
    x = 713,803,469.65/35,564.79
  6. Step 6: Final answer
    x = 20,070.51

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1.5x scale

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.