Home / 39,783.18-59,681.88-16,396.86

Finding the Fourth Proportional to 39,783.18, 59,681.88 and 16,396.86

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Solution

The fourth proportional to 39,783.18, 59,681.88 and 16,396.86 is: 24,598.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,783.18 : 59,681.88 = 16,396.86 : x
  2. Step 2: Convert to fraction form
    39,783.18/59,681.88 = 16,396.86/x
  3. Step 3: Cross multiply
    39,783.18x = 59,681.88 × 16,396.86
  4. Step 4: Simplify right side
    39,783.18x = 978,595,430.90
  5. Step 5: Solve for x
    x = 978,595,430.90/39,783.18
  6. Step 6: Final answer
    x = 24,598.22

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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.