Home / 40,349.16-60,533.45-12,647.16

Finding the Fourth Proportional to 40,349.16, 60,533.45 and 12,647.16

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Solution

The fourth proportional to 40,349.16, 60,533.45 and 12,647.16 is: 18,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,349.16 : 60,533.45 = 12,647.16 : x
  2. Step 2: Convert to fraction form
    40,349.16/60,533.45 = 12,647.16/x
  3. Step 3: Cross multiply
    40,349.16x = 60,533.45 × 12,647.16
  4. Step 4: Simplify right side
    40,349.16x = 765,576,055.83
  5. Step 5: Solve for x
    x = 765,576,055.83/40,349.16
  6. Step 6: Final answer
    x = 18,973.78

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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.