Home / 39,070.56-58,634.88-21,555.36

Finding the Fourth Proportional to 39,070.56, 58,634.88 and 21,555.36

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Solution

The fourth proportional to 39,070.56, 58,634.88 and 21,555.36 is: 32,349.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,070.56 : 58,634.88 = 21,555.36 : x
  2. Step 2: Convert to fraction form
    39,070.56/58,634.88 = 21,555.36/x
  3. Step 3: Cross multiply
    39,070.56x = 58,634.88 × 21,555.36
  4. Step 4: Simplify right side
    39,070.56x = 1,263,895,946.96
  5. Step 5: Solve for x
    x = 1,263,895,946.96/39,070.56
  6. Step 6: Final answer
    x = 32,349.06

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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.