Home / 39,630.30-59,408.23-13,316.64

Finding the Fourth Proportional to 39,630.30, 59,408.23 and 13,316.64

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Solution

The fourth proportional to 39,630.30, 59,408.23 and 13,316.64 is: 19,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,630.30 : 59,408.23 = 13,316.64 : x
  2. Step 2: Convert to fraction form
    39,630.30/59,408.23 = 13,316.64/x
  3. Step 3: Cross multiply
    39,630.30x = 59,408.23 × 13,316.64
  4. Step 4: Simplify right side
    39,630.30x = 791,118,011.95
  5. Step 5: Solve for x
    x = 791,118,011.95/39,630.30
  6. Step 6: Final answer
    x = 19,962.45

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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.