Home / 70,289.60-97,000.35-38,459.84

Finding the Fourth Proportional to 70,289.60, 97,000.35 and 38,459.84

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Solution

The fourth proportional to 70,289.60, 97,000.35 and 38,459.84 is: 53,074.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,289.60 : 97,000.35 = 38,459.84 : x
  2. Step 2: Convert to fraction form
    70,289.60/97,000.35 = 38,459.84/x
  3. Step 3: Cross multiply
    70,289.60x = 97,000.35 × 38,459.84
  4. Step 4: Simplify right side
    70,289.60x = 3,730,617,940.94
  5. Step 5: Solve for x
    x = 3,730,617,940.94/70,289.60
  6. Step 6: Final answer
    x = 53,074.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.