Home / 39,840.19-59,680.15-18,462.96

Finding the Fourth Proportional to 39,840.19, 59,680.15 and 18,462.96

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Solution

The fourth proportional to 39,840.19, 59,680.15 and 18,462.96 is: 27,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,840.19 : 59,680.15 = 18,462.96 : x
  2. Step 2: Convert to fraction form
    39,840.19/59,680.15 = 18,462.96/x
  3. Step 3: Cross multiply
    39,840.19x = 59,680.15 × 18,462.96
  4. Step 4: Simplify right side
    39,840.19x = 1,101,872,176.09
  5. Step 5: Solve for x
    x = 1,101,872,176.09/39,840.19
  6. Step 6: Final answer
    x = 27,657.30

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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.