Home / 36,312.60-50,109.81-21,206.10

Finding the Fourth Proportional to 36,312.60, 50,109.81 and 21,206.10

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Solution

The fourth proportional to 36,312.60, 50,109.81 and 21,206.10 is: 29,263.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,312.60 : 50,109.81 = 21,206.10 : x
  2. Step 2: Convert to fraction form
    36,312.60/50,109.81 = 21,206.10/x
  3. Step 3: Cross multiply
    36,312.60x = 50,109.81 × 21,206.10
  4. Step 4: Simplify right side
    36,312.60x = 1,062,633,641.84
  5. Step 5: Solve for x
    x = 1,062,633,641.84/36,312.60
  6. Step 6: Final answer
    x = 29,263.50

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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.