Home / 43,220.07-64,855.61-18,258.50

Finding the Fourth Proportional to 43,220.07, 64,855.61 and 18,258.50

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Solution

The fourth proportional to 43,220.07, 64,855.61 and 18,258.50 is: 27,398.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,220.07 : 64,855.61 = 18,258.50 : x
  2. Step 2: Convert to fraction form
    43,220.07/64,855.61 = 18,258.50/x
  3. Step 3: Cross multiply
    43,220.07x = 64,855.61 × 18,258.50
  4. Step 4: Simplify right side
    43,220.07x = 1,184,165,739.61
  5. Step 5: Solve for x
    x = 1,184,165,739.61/43,220.07
  6. Step 6: Final answer
    x = 27,398.52

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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.