Home / 70,476.11-97,259.84-38,646.15

Finding the Fourth Proportional to 70,476.11, 97,259.84 and 38,646.15

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Solution

The fourth proportional to 70,476.11, 97,259.84 and 38,646.15 is: 53,333.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,476.11 : 97,259.84 = 38,646.15 : x
  2. Step 2: Convert to fraction form
    70,476.11/97,259.84 = 38,646.15/x
  3. Step 3: Cross multiply
    70,476.11x = 97,259.84 × 38,646.15
  4. Step 4: Simplify right side
    70,476.11x = 3,758,718,365.62
  5. Step 5: Solve for x
    x = 3,758,718,365.62/70,476.11
  6. Step 6: Final answer
    x = 53,333.23

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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.