Home / 70,530.22-97,331.84-38,699.34

Finding the Fourth Proportional to 70,530.22, 97,331.84 and 38,699.34

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Solution

The fourth proportional to 70,530.22, 97,331.84 and 38,699.34 is: 53,405.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,530.22 : 97,331.84 = 38,699.34 : x
  2. Step 2: Convert to fraction form
    70,530.22/97,331.84 = 38,699.34/x
  3. Step 3: Cross multiply
    70,530.22x = 97,331.84 × 38,699.34
  4. Step 4: Simplify right side
    70,530.22x = 3,766,677,968.99
  5. Step 5: Solve for x
    x = 3,766,677,968.99/70,530.22
  6. Step 6: Final answer
    x = 53,405.16

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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.