Home / 70,290.32-97,003.04-38,459.21

Finding the Fourth Proportional to 70,290.32, 97,003.04 and 38,459.21

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Solution

The fourth proportional to 70,290.32, 97,003.04 and 38,459.21 is: 53,075.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,290.32 : 97,003.04 = 38,459.21 : x
  2. Step 2: Convert to fraction form
    70,290.32/97,003.04 = 38,459.21/x
  3. Step 3: Cross multiply
    70,290.32x = 97,003.04 × 38,459.21
  4. Step 4: Simplify right side
    70,290.32x = 3,730,659,608.69
  5. Step 5: Solve for x
    x = 3,730,659,608.69/70,290.32
  6. Step 6: Final answer
    x = 53,075.02

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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.