Home / 39,106.80-53,967.68-21,202.08

Finding the Fourth Proportional to 39,106.80, 53,967.68 and 21,202.08

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Solution

The fourth proportional to 39,106.80, 53,967.68 and 21,202.08 is: 29,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,106.80 : 53,967.68 = 21,202.08 : x
  2. Step 2: Convert to fraction form
    39,106.80/53,967.68 = 21,202.08/x
  3. Step 3: Cross multiply
    39,106.80x = 53,967.68 × 21,202.08
  4. Step 4: Simplify right side
    39,106.80x = 1,144,227,068.77
  5. Step 5: Solve for x
    x = 1,144,227,068.77/39,106.80
  6. Step 6: Final answer
    x = 29,259.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.